13992266 has 4 divisors (see below), whose sum is σ = 20988402. Its totient is φ = 6996132.

The previous prime is 13992259. The next prime is 13992271. The reversal of 13992266 is 66229931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 4289041 = 3115^2 + 2071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3498065 + ... + 3498068.

Almost surely, 2^13992266 is an apocalyptic number.

13992266 is a deficient number, since it is larger than the sum of its proper divisors (6996136).

13992266 is an equidigital number, since it uses as much as digits as its factorization.

13992266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996135.

The product of its digits is 34992, while the sum is 38.

The square root of 13992266 is about 3740.6237447784. The cubic root of 13992266 is about 240.9698371943.

The spelling of 13992266 in words is "thirteen million, nine hundred ninety-two thousand, two hundred sixty-six".