13642670 has 16 divisors (see below), whose sum is σ = 26001648. Its totient is φ = 5136000.

The previous prime is 13642669. The next prime is 13642691. The reversal of 13642670 is 7624631.

13642670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13642670² = 372244889457800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39956 + ... + 40295.

It is an arithmetic number, because the mean of its divisors is an integer number (1625103).

Almost surely, 2^13642670 is an apocalyptic number.

13642670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13642670 is a deficient number, since it is larger than the sum of its proper divisors (12358978).

13642670 is a wasteful number, since it uses less digits than its factorization.

13642670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80275.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13642670 is about 3693.5985163523. The cubic root of 13642670 is about 238.9460146620.

The spelling of 13642670 in words is "thirteen million, six hundred forty-two thousand, six hundred seventy".