13729670 has 16 divisors (see below), whose sum is σ = 25316928. Its totient is φ = 5357760.

The previous prime is 13729663. The next prime is 13729699. The reversal of 13729670 is 7692731.

It is a self number, because there is not a number n which added to its sum of digits gives 13729670.

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, 16334 + ... + 17153.

It is an arithmetic number, because the mean of its divisors is an integer number (1582308).

Almost surely, 2^13729670 is an apocalyptic number.

13729670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13729670 is a deficient number, since it is larger than the sum of its proper divisors (11587258).

13729670 is a wasteful number, since it uses less digits than its factorization.

13729670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33535.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 13729670 is about 3705.3569328743. The cubic root of 13729670 is about 239.4528624127.

The spelling of 13729670 in words is "thirteen million, seven hundred twenty-nine thousand, six hundred seventy".