12570625 has 10 divisors (see below), whose sum is σ = 15709034. Its totient is φ = 10056000.

The previous prime is 12570619. The next prime is 12570637. The reversal of 12570625 is 52607521.

It can be written as a sum of positive squares in 5 ways, for example, as 8248384 + 4322241 = 2872^2 + 2079^2 .

It is not a de Polignac number, because 12570625 - 2¹⁹ = 12046337 is a prime.

It is a super-2 number, since 2×12570625² = 316041225781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12570593 and 12570602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9432 + ... + 10681.

It is a Proth number, since it is equal to 3069 ⋅ 2¹² + 1 and 3069 < 2¹².

Almost surely, 2^12570625 is an apocalyptic number.

It is an amenable number.

12570625 is a deficient number, since it is larger than the sum of its proper divisors (3138409).

12570625 is an frugal number, since it uses more digits than its factorization.

12570625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20133 (or 20118 counting only the distinct ones).

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

The square root of 12570625 is about 3545.5077210465. The cubic root of 12570625 is about 232.5157040304.

The spelling of 12570625 in words is "twelve million, five hundred seventy thousand, six hundred twenty-five".