13250504 has 8 divisors (see below), whose sum is σ = 24844710. Its totient is φ = 6625248.

The previous prime is 13250443. The next prime is 13250509. The reversal of 13250504 is 40505231.

13250504 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., 12888100 + 362404 = 3590^2 + 602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13250509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828149 + ... + 828164.

Almost surely, 2^13250504 is an apocalyptic number.

It is an amenable number.

13250504 is a deficient number, since it is larger than the sum of its proper divisors (11594206).

13250504 is a wasteful number, since it uses less digits than its factorization.

13250504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656319 (or 1656315 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 13250504 is about 3640.1241737062. The cubic root of 13250504 is about 236.6341748248.

Adding to 13250504 its reverse (40505231), we get a palindrome (53755735).

The spelling of 13250504 in words is "thirteen million, two hundred fifty thousand, five hundred four".