13597834 has 4 divisors (see below), whose sum is σ = 20396754. Its totient is φ = 6798916.

The previous prime is 13597823. The next prime is 13597861. The reversal of 13597834 is 43879531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43879531 = 19 ⋅2309449.

It can be written as a sum of positive squares in only one way, i.e., 12981609 + 616225 = 3603^2 + 785^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3399457 + ... + 3399460.

Almost surely, 2^13597834 is an apocalyptic number.

13597834 is a deficient number, since it is larger than the sum of its proper divisors (6798920).

13597834 is an equidigital number, since it uses as much as digits as its factorization.

13597834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798919.

The product of its digits is 90720, while the sum is 40.

The square root of 13597834 is about 3687.5241016162. The cubic root of 13597834 is about 238.6839657294.

It can be divided in two parts, 135 and 97834, that added together give a square (97969 = 313²).

The spelling of 13597834 in words is "thirteen million, five hundred ninety-seven thousand, eight hundred thirty-four".