12928674 has 64 divisors (see below), whose sum is σ = 29859840. Its totient is φ = 3696000.

The previous prime is 12928673. The next prime is 12928679. The reversal of 12928674 is 47682921.

It is a super-2 number, since 2×12928674² = 334301222796552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12928673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145222 + ... + 145310.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^12928674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12928674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14929920).

12928674 is an abundant number, since it is smaller than the sum of its proper divisors (16931166).

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

12928674 is a wasteful number, since it uses less digits than its factorization.

12928674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207.

The product of its digits is 48384, while the sum is 39.

The square root of 12928674 is about 3595.6465343523. The cubic root of 12928674 is about 234.7026509291.

The spelling of 12928674 in words is "twelve million, nine hundred twenty-eight thousand, six hundred seventy-four".