13598870 has 24 divisors (see below), whose sum is σ = 25840944. Its totient is φ = 5151888.

The previous prime is 13598833. The next prime is 13598873. The reversal of 13598870 is 7889531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13598873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1727 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (1076706).

Almost surely, 2^13598870 is an apocalyptic number.

13598870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13598870 is a deficient number, since it is larger than the sum of its proper divisors (12242074).

13598870 is a wasteful number, since it uses less digits than its factorization.

13598870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 13598870 is about 3687.6645725988. The cubic root of 13598870 is about 238.6900272415.

The spelling of 13598870 in words is "thirteen million, five hundred ninety-eight thousand, eight hundred seventy".