12746538625 has 16 divisors (see below), whose sum is σ = 15917181696. Its totient is φ = 10191140400.

The previous prime is 12746538619. The next prime is 12746538631. The reversal of 12746538625 is 52683564721.

It is an interprime number because it is at equal distance from previous prime (12746538619) and next prime (12746538631).

It is not a de Polignac number, because 12746538625 - 2¹¹ = 12746536577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185784 + ... + 244966.

It is an arithmetic number, because the mean of its divisors is an integer number (994823856).

Almost surely, 2^12746538625 is an apocalyptic number.

It is an amenable number.

12746538625 is a deficient number, since it is larger than the sum of its proper divisors (3170643071).

12746538625 is an equidigital number, since it uses as much as digits as its factorization.

12746538625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60921 (or 60911 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 12746538625 in words is "twelve billion, seven hundred forty-six million, five hundred thirty-eight thousand, six hundred twenty-five".