12606740025 has 24 divisors (see below), whose sum is σ = 22737976224. Its totient is φ = 6112358400.

The previous prime is 12606740021. The next prime is 12606740051. The reversal of 12606740025 is 52004760621.

It is not a de Polignac number, because 12606740025 - 2² = 12606740021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12606740021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7639624 + ... + 7641273.

It is an arithmetic number, because the mean of its divisors is an integer number (947415676).

Almost surely, 2^12606740025 is an apocalyptic number.

12606740025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12606740025 is a deficient number, since it is larger than the sum of its proper divisors (10131236199).

12606740025 is a wasteful number, since it uses less digits than its factorization.

12606740025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280921 (or 15280916 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 12606740025 in words is "twelve billion, six hundred six million, seven hundred forty thousand, twenty-five".