13860506 has 8 divisors (see below), whose sum is σ = 22680864. Its totient is φ = 6300220.

The previous prime is 13860493. The next prime is 13860541. The reversal of 13860506 is 60506831.

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

It is a super-2 number, since 2×13860506² = 384227253152072, which contains 22 as substring.

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, 314990 + ... + 315033.

It is an arithmetic number, because the mean of its divisors is an integer number (2835108).

Almost surely, 2^13860506 is an apocalyptic number.

13860506 is a deficient number, since it is larger than the sum of its proper divisors (8820358).

13860506 is a wasteful number, since it uses less digits than its factorization.

13860506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630036.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 13860506 is about 3722.9700509137. The cubic root of 13860506 is about 240.2110758820.

The spelling of 13860506 in words is "thirteen million, eight hundred sixty thousand, five hundred six".