12578628 has 12 divisors (see below), whose sum is σ = 29350160. Its totient is φ = 4192872.

The previous prime is 12578611. The next prime is 12578681. The reversal of 12578628 is 82687521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524098 + ... + 524121.

Almost surely, 2^12578628 is an apocalyptic number.

It is an amenable number.

12578628 is an abundant number, since it is smaller than the sum of its proper divisors (16771532).

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

12578628 is a wasteful number, since it uses less digits than its factorization.

12578628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048226 (or 1048224 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 12578628 is about 3546.6361527509. The cubic root of 12578628 is about 232.5650367254.

The spelling of 12578628 in words is "twelve million, five hundred seventy-eight thousand, six hundred twenty-eight".