12750625 has 20 divisors (see below), whose sum is σ = 16644672. Its totient is φ = 9746000.

The previous prime is 12750613. The next prime is 12750637. The reversal of 12750625 is 52605721.

12750625 = 40³ + 41³ + ... + 85³.

It is an interprime number because it is at equal distance from previous prime (12750613) and next prime (12750637).

It is not a de Polignac number, because 12750625 - 2⁷ = 12750497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12750593 and 12750602.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13932 + ... + 14818.

Almost surely, 2^12750625 is an apocalyptic number.

It is an amenable number.

12750625 is a deficient number, since it is larger than the sum of its proper divisors (3894047).

12750625 is an frugal number, since it uses more digits than its factorization.

12750625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 12750625 is about 3570.8017307042. The cubic root of 12750625 is about 233.6202536174.

The spelling of 12750625 in words is "twelve million, seven hundred fifty thousand, six hundred twenty-five".