13997734 has 8 divisors (see below), whose sum is σ = 21072168. Its totient is φ = 6973680.

The previous prime is 13997719. The next prime is 13997741. The reversal of 13997734 is 43779931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11892 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (2634021).

Almost surely, 2^13997734 is an apocalyptic number.

13997734 is a deficient number, since it is larger than the sum of its proper divisors (7074434).

13997734 is a wasteful number, since it uses less digits than its factorization.

13997734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25190.

The product of its digits is 142884, while the sum is 43.

The square root of 13997734 is about 3741.3545675330. The cubic root of 13997734 is about 241.0012224245.

The spelling of 13997734 in words is "thirteen million, nine hundred ninety-seven thousand, seven hundred thirty-four".