13957022 has 4 divisors (see below), whose sum is σ = 20935536. Its totient is φ = 6978510.

The previous prime is 13957007. The next prime is 13957049. The reversal of 13957022 is 22075931.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489254 + ... + 3489257.

It is an arithmetic number, because the mean of its divisors is an integer number (5233884).

Almost surely, 2^13957022 is an apocalyptic number.

13957022 is a deficient number, since it is larger than the sum of its proper divisors (6978514).

13957022 is an equidigital number, since it uses as much as digits as its factorization.

13957022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978513.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13957022 is about 3735.9097954849. The cubic root of 13957022 is about 240.7673472021.

The spelling of 13957022 in words is "thirteen million, nine hundred fifty-seven thousand, twenty-two".