13246859025 has 27 divisors (see below), whose sum is σ = 23729689009. Its totient is φ = 7064070720.

The previous prime is 13246858979. The next prime is 13246859117. The reversal of 13246859025 is 52095864231.

The square root of 13246859025 is 115095.

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

13246859025 is a `hidden beast` number, since 1 + 32 + 4 + 6 + 8 + 590 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 13246168464 = 831^2 + 115092^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13246859025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1722589 + ... + 1730261.

Almost surely, 2^13246859025 is an apocalyptic number.

13246859025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13246859025 is the 115095-th square number.

13246859025 is the 57548-th centered octagonal number.

It is an amenable number.

13246859025 is a deficient number, since it is larger than the sum of its proper divisors (10482829984).

13246859025 is an frugal number, since it uses more digits than its factorization.

13246859025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362 (or 7681 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 13246859025 in words is "thirteen billion, two hundred forty-six million, eight hundred fifty-nine thousand, twenty-five".