13992734 has 48 divisors (see below), whose sum is σ = 26667792. Its totient is φ = 5467392.

The previous prime is 13992731. The next prime is 13992757. The reversal of 13992734 is 43729931.

13992734 = 231² + 232² + ... + 378².

13992734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61529 + ... + 61755.

It is an arithmetic number, because the mean of its divisors is an integer number (555579).

Almost surely, 2^13992734 is an apocalyptic number.

13992734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13992734 is a deficient number, since it is larger than the sum of its proper divisors (12675058).

13992734 is a wasteful number, since it uses less digits than its factorization.

13992734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 290 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 13992734 is about 3740.6863006673. The cubic root of 13992734 is about 240.9725237410.

The spelling of 13992734 in words is "thirteen million, nine hundred ninety-two thousand, seven hundred thirty-four".