12539162 has 4 divisors (see below), whose sum is σ = 18808746. Its totient is φ = 6269580.

The previous prime is 12539161. The next prime is 12539167. The reversal of 12539162 is 26193521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26193521 = 37 ⋅707933.

It can be written as a sum of positive squares in only one way, i.e., 12524521 + 14641 = 3539^2 + 121^2 .

It is not an unprimeable number, because it can be changed into a prime (12539161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134789 + ... + 3134792.

Almost surely, 2^12539162 is an apocalyptic number.

12539162 is a deficient number, since it is larger than the sum of its proper divisors (6269584).

12539162 is an equidigital number, since it uses as much as digits as its factorization.

12539162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269583.

The product of its digits is 3240, while the sum is 29.

The square root of 12539162 is about 3541.0679180157. The cubic root of 12539162 is about 232.3215542160.

The spelling of 12539162 in words is "twelve million, five hundred thirty-nine thousand, one hundred sixty-two".