12761398 has 32 divisors (see below), whose sum is σ = 21676032. Its totient is φ = 5594400.

The previous prime is 12761387. The next prime is 12761453. The reversal of 12761398 is 89316721.

12761398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57115 + ... + 57337.

It is an arithmetic number, because the mean of its divisors is an integer number (677376).

Almost surely, 2^12761398 is an apocalyptic number.

12761398 is a deficient number, since it is larger than the sum of its proper divisors (8914634).

12761398 is a wasteful number, since it uses less digits than its factorization.

12761398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 18144, while the sum is 37.

The square root of 12761398 is about 3572.3098969714. The cubic root of 12761398 is about 233.6860303280.

The spelling of 12761398 in words is "twelve million, seven hundred sixty-one thousand, three hundred ninety-eight".