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12137340 = 2235202289
BaseRepresentation
bin101110010011…
…001101111100
3211211122022010
4232103031330
511101343330
61112051220
7205110555
oct56231574
924748263
1012137340
11693aa66
124093b10
13268c677
14187d32c
1510eb3b0
hexb9337c

12137340 has 24 divisors (see below), whose sum is σ = 33984720. Its totient is φ = 3236608.

The previous prime is 12137299. The next prime is 12137347. The reversal of 12137340 is 4373121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12137347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101085 + ... + 101204.

It is an arithmetic number, because the mean of its divisors is an integer number (1416030).

Almost surely, 212137340 is an apocalyptic number.

12137340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12137340 is an abundant number, since it is smaller than the sum of its proper divisors (21847380).

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

12137340 is a wasteful number, since it uses less digits than its factorization.

12137340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202301 (or 202299 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12137340 is about 3483.8685394257. The cubic root of 12137340 is about 229.8129544182.

The spelling of 12137340 in words is "twelve million, one hundred thirty-seven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 202289 404578 606867 809156 1011445 1213734 2022890 2427468 3034335 4045780 6068670 12137340