13620670 has 16 divisors (see below), whose sum is σ = 28019808. Its totient is φ = 4669920.

The previous prime is 13620667. The next prime is 13620671. The reversal of 13620670 is 7602631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97221 + ... + 97360.

It is an arithmetic number, because the mean of its divisors is an integer number (1751238).

Almost surely, 2^13620670 is an apocalyptic number.

13620670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13620670 is an abundant number, since it is smaller than the sum of its proper divisors (14399138).

13620670 is a wasteful number, since it uses less digits than its factorization.

13620670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194595.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13620670 is about 3690.6191892418. The cubic root of 13620670 is about 238.8175051022.

The spelling of 13620670 in words is "thirteen million, six hundred twenty thousand, six hundred seventy".