12503572 has 6 divisors (see below), whose sum is σ = 21881258. Its totient is φ = 6251784.

The previous prime is 12503549. The next prime is 12503573. The reversal of 12503572 is 27530521.

12503572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8317456 + 4186116 = 2884^2 + 2046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562943 + ... + 1562950.

Almost surely, 2^12503572 is an apocalyptic number.

It is an amenable number.

12503572 is a deficient number, since it is larger than the sum of its proper divisors (9377686).

12503572 is a wasteful number, since it uses less digits than its factorization.

12503572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125897 (or 3125895 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 12503572 is about 3536.0390269340. The cubic root of 12503572 is about 232.1015459157.

The spelling of 12503572 in words is "twelve million, five hundred three thousand, five hundred seventy-two".