13880686 has 8 divisors (see below), whose sum is σ = 20876544. Its totient is φ = 6921840.

The previous prime is 13880677. The next prime is 13880717. The reversal of 13880686 is 68608831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8295 + ... + 9826.

It is an arithmetic number, because the mean of its divisors is an integer number (2609568).

Almost surely, 2^13880686 is an apocalyptic number.

13880686 is a deficient number, since it is larger than the sum of its proper divisors (6995858).

13880686 is a wasteful number, since it uses less digits than its factorization.

13880686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18506.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 13880686 is about 3725.6792669257. The cubic root of 13880686 is about 240.3275966133.

The spelling of 13880686 in words is "thirteen million, eight hundred eighty thousand, six hundred eighty-six".