12758992 has 20 divisors (see below), whose sum is σ = 24978436. Its totient is φ = 6312960.

The previous prime is 12758981. The next prime is 12759017. The reversal of 12758992 is 29985721.

12758992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9388096 + 3370896 = 3064^2 + 1836^2 .

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, 2559 + ... + 5662.

Almost surely, 2^12758992 is an apocalyptic number.

It is an amenable number.

12758992 is a deficient number, since it is larger than the sum of its proper divisors (12219444).

12758992 is an equidigital number, since it uses as much as digits as its factorization.

12758992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326 (or 8320 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 12758992 is about 3571.9731241990. The cubic root of 12758992 is about 233.6713432243.

The spelling of 12758992 in words is "twelve million, seven hundred fifty-eight thousand, nine hundred ninety-two".