12623646025 has 27 divisors (see below), whose sum is σ = 16380256501. Its totient is φ = 9649946240.

The previous prime is 12623646019. The next prime is 12623646041. The reversal of 12623646025 is 52064632621.

The square root of 12623646025 is 112355.

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

12623646025 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 4 ways, for example, as 1796827321 + 10826818704 = 42389^2 + 104052^2 .

It is not a de Polignac number, because 12623646025 - 2³ = 12623646017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12920337 + ... + 12921313.

Almost surely, 2^12623646025 is an apocalyptic number.

12623646025 is the 112355-th square number.

12623646025 is the 56178-th centered octagonal number.

It is an amenable number.

12623646025 is a deficient number, since it is larger than the sum of its proper divisors (3756610476).

12623646025 is an frugal number, since it uses more digits than its factorization.

12623646025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 12623646025 in words is "twelve billion, six hundred twenty-three million, six hundred forty-six thousand, twenty-five".