13992455 has 8 divisors (see below), whose sum is σ = 17674800. Its totient is φ = 10604736.

The previous prime is 13992449. The next prime is 13992463. The reversal of 13992455 is 55429931.

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

It is a de Polignac number, because none of the positive numbers 2^k-13992455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73550 + ... + 73739.

It is an arithmetic number, because the mean of its divisors is an integer number (2209350).

Almost surely, 2^13992455 is an apocalyptic number.

13992455 is a deficient number, since it is larger than the sum of its proper divisors (3682345).

13992455 is a wasteful number, since it uses less digits than its factorization.

13992455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147313.

The product of its digits is 48600, while the sum is 38.

The square root of 13992455 is about 3740.6490078595. The cubic root of 13992455 is about 240.9709221530.

The spelling of 13992455 in words is "thirteen million, nine hundred ninety-two thousand, four hundred fifty-five".