13688942 has 8 divisors (see below), whose sum is σ = 20822832. Its totient is φ = 6748000.

The previous prime is 13688929. The next prime is 13688951. The reversal of 13688942 is 24988631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13688942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48059 + ... + 48342.

It is an arithmetic number, because the mean of its divisors is an integer number (2602854).

Almost surely, 2^13688942 is an apocalyptic number.

13688942 is a deficient number, since it is larger than the sum of its proper divisors (7133890).

13688942 is an equidigital number, since it uses as much as digits as its factorization.

13688942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96474.

The product of its digits is 82944, while the sum is 41.

The square root of 13688942 is about 3699.8570242646. The cubic root of 13688942 is about 239.2158551289.

The spelling of 13688942 in words is "thirteen million, six hundred eighty-eight thousand, nine hundred forty-two".