13731734 has 4 divisors (see below), whose sum is σ = 20597604. Its totient is φ = 6865866.

The previous prime is 13731727. The next prime is 13731743. The reversal of 13731734 is 43713731.

13731734 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, and also an emirpimes, since its reverse is a distinct semiprime: 43713731 = 23 ⋅1900597.

It is a junction number, because it is equal to n+sod(n) for n = 13731697 and 13731706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432932 + ... + 3432935.

It is an arithmetic number, because the mean of its divisors is an integer number (5149401).

Almost surely, 2^13731734 is an apocalyptic number.

13731734 is a deficient number, since it is larger than the sum of its proper divisors (6865870).

13731734 is an equidigital number, since it uses as much as digits as its factorization.

13731734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865869.

The product of its digits is 5292, while the sum is 29.

The square root of 13731734 is about 3705.6354380862. The cubic root of 13731734 is about 239.4648609032.

The spelling of 13731734 in words is "thirteen million, seven hundred thirty-one thousand, seven hundred thirty-four".