13678692 has 48 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 4391712.

The previous prime is 13678673. The next prime is 13678699. The reversal of 13678692 is 29687631.

It is a happy number.

It is a super-2 number, since 2×13678692² = 374213229661728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13678699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44403 + ... + 44709.

It is an arithmetic number, because the mean of its divisors is an integer number (689920).

Almost surely, 2^13678692 is an apocalyptic number.

13678692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13678692 is an abundant number, since it is smaller than the sum of its proper divisors (19437468).

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

13678692 is a wasteful number, since it uses less digits than its factorization.

13678692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 438 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 13678692 is about 3698.4715762055. The cubic root of 13678692 is about 239.1561335725.

The spelling of 13678692 in words is "thirteen million, six hundred seventy-eight thousand, six hundred ninety-two".