13957634 has 8 divisors (see below), whose sum is σ = 21052668. Its totient is φ = 6940080.

The previous prime is 13957627. The next prime is 13957649. The reversal of 13957634 is 43675931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11539609 + 2418025 = 3397^2 + 1555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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, 18917 + ... + 19640.

Almost surely, 2^13957634 is an apocalyptic number.

13957634 is a deficient number, since it is larger than the sum of its proper divisors (7095034).

13957634 is a wasteful number, since it uses less digits than its factorization.

13957634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740.

The product of its digits is 68040, while the sum is 38.

The square root of 13957634 is about 3735.9917023462. The cubic root of 13957634 is about 240.7708662781.

The spelling of 13957634 in words is "thirteen million, nine hundred fifty-seven thousand, six hundred thirty-four".