13957506 has 12 divisors (see below), whose sum is σ = 30241302. Its totient is φ = 4652496.

The previous prime is 13957477. The next prime is 13957513. The reversal of 13957506 is 60575931.

It is a happy number.

13957506 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 2117025 = 3441^2 + 1455^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387691 + ... + 387726.

Almost surely, 2^13957506 is an apocalyptic number.

13957506 is an abundant number, since it is smaller than the sum of its proper divisors (16283796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13957506 is a wasteful number, since it uses less digits than its factorization.

13957506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775425 (or 775422 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 13957506 is about 3735.9745716479. The cubic root of 13957506 is about 240.7701302707.

The spelling of 13957506 in words is "thirteen million, nine hundred fifty-seven thousand, five hundred six".