13659670 has 32 divisors (see below), whose sum is σ = 27410400. Its totient is φ = 4870656.

The previous prime is 13659661. The next prime is 13659703. The reversal of 13659670 is 7695631.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1116 + ... + 5344.

It is an arithmetic number, because the mean of its divisors is an integer number (856575).

Almost surely, 2^13659670 is an apocalyptic number.

13659670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13659670 is an abundant number, since it is smaller than the sum of its proper divisors (13750730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13659670 is a wasteful number, since it uses less digits than its factorization.

13659670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 13659670 is about 3695.8990787087. The cubic root of 13659670 is about 239.0452229102.

The spelling of 13659670 in words is "thirteen million, six hundred fifty-nine thousand, six hundred seventy".