12613526925 has 12 divisors (see below), whose sum is σ = 20854364640. Its totient is φ = 6727214320.

The previous prime is 12613526917. The next prime is 12613526951. The reversal of 12613526925 is 52962531621.

It is a happy number.

It is not a de Polignac number, because 12613526925 - 2³ = 12613526917 is a prime.

It is a super-2 number, since 2×12613526925² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84090105 + ... + 84090254.

It is an arithmetic number, because the mean of its divisors is an integer number (1737863720).

Almost surely, 2^12613526925 is an apocalyptic number.

12613526925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12613526925 is a deficient number, since it is larger than the sum of its proper divisors (8240837715).

12613526925 is a wasteful number, since it uses less digits than its factorization.

12613526925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168180372 (or 168180367 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The spelling of 12613526925 in words is "twelve billion, six hundred thirteen million, five hundred twenty-six thousand, nine hundred twenty-five".