12539734 has 8 divisors (see below), whose sum is σ = 19799640. Its totient is φ = 5939856.

The previous prime is 12539729. The next prime is 12539743. The reversal of 12539734 is 43793521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12539734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164959 + ... + 165034.

It is an arithmetic number, because the mean of its divisors is an integer number (2474955).

Almost surely, 2^12539734 is an apocalyptic number.

12539734 is a deficient number, since it is larger than the sum of its proper divisors (7259906).

12539734 is a wasteful number, since it uses less digits than its factorization.

12539734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330014.

The product of its digits is 22680, while the sum is 34.

The square root of 12539734 is about 3541.1486836901. The cubic root of 12539734 is about 232.3250867728.

The spelling of 12539734 in words is "twelve million, five hundred thirty-nine thousand, seven hundred thirty-four".