12510553 has 6 divisors (see below), whose sum is σ = 13751402. Its totient is φ = 11373120.

The previous prime is 12510541. The next prime is 12510559. The reversal of 12510553 is 35501521.

It can be written as a sum of positive squares in only one way, i.e., 10036224 + 2474329 = 3168^2 + 1573^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12510553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51576 + ... + 51817.

Almost surely, 2^12510553 is an apocalyptic number.

It is an amenable number.

12510553 is a deficient number, since it is larger than the sum of its proper divisors (1240849).

12510553 is a wasteful number, since it uses less digits than its factorization.

12510553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103415 (or 103404 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 12510553 is about 3537.0260106479. The cubic root of 12510553 is about 232.1447335594.

The spelling of 12510553 in words is "twelve million, five hundred ten thousand, five hundred fifty-three".