13992646 has 8 divisors (see below), whose sum is σ = 21016944. Its totient is φ = 6987000.

The previous prime is 13992637. The next prime is 13992731. The reversal of 13992646 is 64629931.

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

It is a junction number, because it is equal to n+sod(n) for n = 13992599 and 13992608.

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, 2605 + ... + 5896.

It is an arithmetic number, because the mean of its divisors is an integer number (2627118).

Almost surely, 2^13992646 is an apocalyptic number.

13992646 is a deficient number, since it is larger than the sum of its proper divisors (7024298).

13992646 is an equidigital number, since it uses as much as digits as its factorization.

13992646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9326.

The product of its digits is 69984, while the sum is 40.

The square root of 13992646 is about 3740.6745381014. The cubic root of 13992646 is about 240.9720185829.

The spelling of 13992646 in words is "thirteen million, nine hundred ninety-two thousand, six hundred forty-six".