12770624 has 28 divisors (see below), whose sum is σ = 26031444. Its totient is φ = 6211584.

The previous prime is 12770599. The next prime is 12770651. The reversal of 12770624 is 42607721.

It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 937024 = 3440^2 + 968^2 .

It is a congruent number.

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, 329 + ... + 5064.

Almost surely, 2^12770624 is an apocalyptic number.

It is an amenable number.

12770624 is an abundant number, since it is smaller than the sum of its proper divisors (13260820).

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

12770624 is an equidigital number, since it uses as much as digits as its factorization.

12770624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5432 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12770624 is about 3573.6009850010. The cubic root of 12770624 is about 233.7423321000.

The spelling of 12770624 in words is "twelve million, seven hundred seventy thousand, six hundred twenty-four".