12679886025 has 27 divisors (see below), whose sum is σ = 22714110471. Its totient is φ = 6761705040.

The previous prime is 12679886017. The next prime is 12679886027. The reversal of 12679886025 is 52068897621.

The square root of 12679886025 is 112605.

It is a perfect power (a square), and thus also a powerful number.

12679886025 is a `hidden beast` number, since 1 + 26 + 7 + 9 + 8 + 8 + 602 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4564758969 + 8115127056 = 67563^2 + 90084^2 .

It is not a de Polignac number, because 12679886025 - 2³ = 12679886017 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12679886027) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1685322 + ... + 1692828.

Almost surely, 2^12679886025 is an apocalyptic number.

12679886025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12679886025 is the 112605-th square number.

12679886025 is the 56303-rd centered octagonal number.

It is an amenable number.

12679886025 is a deficient number, since it is larger than the sum of its proper divisors (10034224446).

12679886025 is an frugal number, since it uses more digits than its factorization.

12679886025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030 (or 7515 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

It can be divided in two parts, 12679 and 886025, that added together give a square (898704 = 948²).

The spelling of 12679886025 in words is "twelve billion, six hundred seventy-nine million, eight hundred eighty-six thousand, twenty-five".