12598539 has 12 divisors (see below), whose sum is σ = 17730216. Its totient is φ = 7956288.

The previous prime is 12598517. The next prime is 12598541. The reversal of 12598539 is 93589521.

It is not a de Polignac number, because 12598539 - 2⁸ = 12598283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12598539.

It is not an unprimeable number, because it can be changed into a prime (12598589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4734 + ... + 6899.

It is an arithmetic number, because the mean of its divisors is an integer number (1477518).

Almost surely, 2^12598539 is an apocalyptic number.

12598539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12598539 is a deficient number, since it is larger than the sum of its proper divisors (5131677).

12598539 is a wasteful number, since it uses less digits than its factorization.

12598539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11674 (or 11655 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 12598539 is about 3549.4420688328. The cubic root of 12598539 is about 232.6876828862.

The spelling of 12598539 in words is "twelve million, five hundred ninety-eight thousand, five hundred thirty-nine".