12503552 has 20 divisors (see below), whose sum is σ = 24983706. Its totient is φ = 6251520.

The previous prime is 12503549. The next prime is 12503573. The reversal of 12503552 is 25530521.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 256 = 3536^2 + 16^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11699 + ... + 12722.

Almost surely, 2^12503552 is an apocalyptic number.

It is an amenable number.

12503552 is a deficient number, since it is larger than the sum of its proper divisors (12480154).

12503552 is an frugal number, since it uses more digits than its factorization.

12503552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24439 (or 24423 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 12503552 is about 3536.0361989097. The cubic root of 12503552 is about 232.1014221635.

The spelling of 12503552 in words is "twelve million, five hundred three thousand, five hundred fifty-two".