13992986 has 8 divisors (see below), whose sum is σ = 23988000. Its totient is φ = 5996988.

The previous prime is 13992983. The next prime is 13993003. The reversal of 13992986 is 68929931.

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 13992986.

It is not an unprimeable number, because it can be changed into a prime (13992983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499736 + ... + 499763.

It is an arithmetic number, because the mean of its divisors is an integer number (2998500).

Almost surely, 2^13992986 is an apocalyptic number.

13992986 is a deficient number, since it is larger than the sum of its proper divisors (9995014).

13992986 is an equidigital number, since it uses as much as digits as its factorization.

13992986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999508.

The product of its digits is 209952, while the sum is 47.

The square root of 13992986 is about 3740.7199841742. The cubic root of 13992986 is about 240.9739703182.

The spelling of 13992986 in words is "thirteen million, nine hundred ninety-two thousand, nine hundred eighty-six".