13240870 has 24 divisors (see below), whose sum is σ = 24924816. Its totient is φ = 5064048.

The previous prime is 13240859. The next prime is 13240873. The reversal of 13240870 is 7804231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4039 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (1038534).

Almost surely, 2^13240870 is an apocalyptic number.

13240870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13240870 is a deficient number, since it is larger than the sum of its proper divisors (11683946).

13240870 is a wasteful number, since it uses less digits than its factorization.

13240870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13240870 is about 3638.8006265801. The cubic root of 13240870 is about 236.5768113120.

The spelling of 13240870 in words is "thirteen million, two hundred forty thousand, eight hundred seventy".