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12137148 = 2233412741
BaseRepresentation
bin101110010011…
…001010111100
3211211122001000
4232103022330
511101342043
61112050300
7205110162
oct56231274
924748030
1012137148
11693a901
124093990
13268c55a
14187d232
1510eb2d3
hexb932bc

12137148 has 48 divisors (see below), whose sum is σ = 32245920. Its totient is φ = 3945600.

The previous prime is 12137131. The next prime is 12137183. The reversal of 12137148 is 84173121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3058 + ... + 5798.

It is an arithmetic number, because the mean of its divisors is an integer number (671790).

Almost surely, 212137148 is an apocalyptic number.

12137148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12137148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16122960).

12137148 is an abundant number, since it is smaller than the sum of its proper divisors (20108772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12137148 is a wasteful number, since it uses less digits than its factorization.

12137148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2787 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 12137148 is about 3483.8409837419. The cubic root of 12137148 is about 229.8117426118.

The spelling of 12137148 in words is "twelve million, one hundred thirty-seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 41 54 82 108 123 164 246 369 492 738 1107 1476 2214 2741 4428 5482 8223 10964 16446 24669 32892 49338 74007 98676 112381 148014 224762 296028 337143 449524 674286 1011429 1348572 2022858 3034287 4045716 6068574 12137148