12713690025 has 27 divisors (see below), whose sum is σ = 22774661221. Its totient is φ = 6779732640.

The previous prime is 12713689999. The next prime is 12713690053. The reversal of 12713690025 is 52009631721.

The square root of 12713690025 is 112755.

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

12713690025 is a `hidden beast` number, since 1 + 271 + 369 + 0 + 0 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1829358441 + 10884331584 = 42771^2 + 104328^2 .

It is not a de Polignac number, because 12713690025 - 2⁷ = 12713689897 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 (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1687567 + ... + 1695083.

Almost surely, 2^12713690025 is an apocalyptic number.

12713690025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12713690025 is the 112755-th square number.

12713690025 is the 56378-th centered octagonal number.

It is an amenable number.

12713690025 is a deficient number, since it is larger than the sum of its proper divisors (10060971196).

12713690025 is an frugal number, since it uses more digits than its factorization.

12713690025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050 (or 7525 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

Multiplying 12713690025 by its sum of digits (36), we get a square (457692840900 = 676530²).

The spelling of 12713690025 in words is "twelve billion, seven hundred thirteen million, six hundred ninety thousand, twenty-five".