12737928 has 32 divisors (see below), whose sum is σ = 36394560. Its totient is φ = 3639360.

The previous prime is 12737917. The next prime is 12737951. The reversal of 12737928 is 82973721.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37743 + ... + 38078.

It is an arithmetic number, because the mean of its divisors is an integer number (1137330).

Almost surely, 2^12737928 is an apocalyptic number.

It is an amenable number.

12737928 is an abundant number, since it is smaller than the sum of its proper divisors (23656632).

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

12737928 is a wasteful number, since it uses less digits than its factorization.

12737928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75837 (or 75833 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 12737928 is about 3569.0233958325. The cubic root of 12737928 is about 233.5426819558.

The spelling of 12737928 in words is "twelve million, seven hundred thirty-seven thousand, nine hundred twenty-eight".