13992497 has 8 divisors (see below), whose sum is σ = 14206752. Its totient is φ = 13780000.

The previous prime is 13992463. The next prime is 13992509. The reversal of 13992497 is 79429931.

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

It is a cyclic number.

It is not a de Polignac number, because 13992497 - 2²² = 9798193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13992427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26597 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (1775844).

Almost surely, 2^13992497 is an apocalyptic number.

It is an amenable number.

13992497 is a deficient number, since it is larger than the sum of its proper divisors (214255).

13992497 is a wasteful number, since it uses less digits than its factorization.

13992497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 122472, while the sum is 44.

The square root of 13992497 is about 3740.6546218543. The cubic root of 13992497 is about 240.9711632537.

The spelling of 13992497 in words is "thirteen million, nine hundred ninety-two thousand, four hundred ninety-seven".