13990274 has 4 divisors (see below), whose sum is σ = 20985414. Its totient is φ = 6995136.

The previous prime is 13990271. The next prime is 13990283. The reversal of 13990274 is 47209931.

13990274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 12567025 + 1423249 = 3545^2 + 1193^2 .

It is not an unprimeable number, because it can be changed into a prime (13990271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497567 + ... + 3497570.

Almost surely, 2^13990274 is an apocalyptic number.

13990274 is a deficient number, since it is larger than the sum of its proper divisors (6995140).

13990274 is an equidigital number, since it uses as much as digits as its factorization.

13990274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995139.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 13990274 is about 3740.3574695475. The cubic root of 13990274 is about 240.9584014793.

The spelling of 13990274 in words is "thirteen million, nine hundred ninety thousand, two hundred seventy-four".