13992263 has 4 divisors (see below), whose sum is σ = 14229480. Its totient is φ = 13755048.

The previous prime is 13992259. The next prime is 13992271. The reversal of 13992263 is 36229931.

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

It is a cyclic number.

It is not a de Polignac number, because 13992263 - 2² = 13992259 is a prime.

It is a super-2 number, since 2×13992263² = 391566847722338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992203) by changing a digit.

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, 118520 + ... + 118637.

It is an arithmetic number, because the mean of its divisors is an integer number (3557370).

Almost surely, 2^13992263 is an apocalyptic number.

13992263 is a deficient number, since it is larger than the sum of its proper divisors (237217).

13992263 is an equidigital number, since it uses as much as digits as its factorization.

13992263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237216.

The product of its digits is 17496, while the sum is 35.

The square root of 13992263 is about 3740.6233437757. The cubic root of 13992263 is about 240.9698199727.

The spelling of 13992263 in words is "thirteen million, nine hundred ninety-two thousand, two hundred sixty-three".