13240504 has 16 divisors (see below), whose sum is σ = 24876720. Its totient is φ = 6606720.

The previous prime is 13240489. The next prime is 13240519. The reversal of 13240504 is 40504231.

It is an interprime number because it is at equal distance from previous prime (13240489) and next prime (13240519).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3349 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (1554795).

Almost surely, 2^13240504 is an apocalyptic number.

It is an amenable number.

13240504 is a deficient number, since it is larger than the sum of its proper divisors (11636216).

13240504 is a wasteful number, since it uses less digits than its factorization.

13240504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13240504 is about 3638.7503349364. The cubic root of 13240504 is about 236.5746314977.

Adding to 13240504 its reverse (40504231), we get a palindrome (53744735).

The spelling of 13240504 in words is "thirteen million, two hundred forty thousand, five hundred four".