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12133392 = 243252779
BaseRepresentation
bin101110010010…
…010000010000
3211211102212220
4232102100100
511101232032
61112021040
7205063215
oct56222020
924742786
1012133392
116937aa7
124091780
13268a92b
14187bb0c
1510ea12c
hexb92410

12133392 has 20 divisors (see below), whose sum is σ = 31344720. Its totient is φ = 4044448.

The previous prime is 12133391. The next prime is 12133399. The reversal of 12133392 is 29333121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12133391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126342 + ... + 126437.

It is an arithmetic number, because the mean of its divisors is an integer number (1567236).

Almost surely, 212133392 is an apocalyptic number.

12133392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12133392 is an abundant number, since it is smaller than the sum of its proper divisors (19211328).

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

12133392 is a wasteful number, since it uses less digits than its factorization.

12133392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252790 (or 252784 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 12133392 is about 3483.3018818357. The cubic root of 12133392 is about 229.7880340777.

The spelling of 12133392 in words is "twelve million, one hundred thirty-three thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 252779 505558 758337 1011116 1516674 2022232 3033348 4044464 6066696 12133392