13401690 has 32 divisors (see below), whose sum is σ = 32489856. Its totient is φ = 3537600.

The previous prime is 13401679. The next prime is 13401719. The reversal of 13401690 is 9610431.

It is a super-2 number, since 2×13401690² = 359210589712200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13401690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (1015308).

Almost surely, 2^13401690 is an apocalyptic number.

13401690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13401690 is an abundant number, since it is smaller than the sum of its proper divisors (19088166).

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

13401690 is a wasteful number, since it uses less digits than its factorization.

13401690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13401690 is about 3660.8318726759. The cubic root of 13401690 is about 237.5307587125.

The spelling of 13401690 in words is "thirteen million, four hundred one thousand, six hundred ninety".