12490339 has 4 divisors (see below), whose sum is σ = 12780856. Its totient is φ = 12199824.

The previous prime is 12490333. The next prime is 12490343. The reversal of 12490339 is 93309421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12490339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12490339.

It is not an unprimeable number, because it can be changed into a prime (12490333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145194 + ... + 145279.

It is an arithmetic number, because the mean of its divisors is an integer number (3195214).

Almost surely, 2^12490339 is an apocalyptic number.

12490339 is a deficient number, since it is larger than the sum of its proper divisors (290517).

12490339 is an equidigital number, since it uses as much as digits as its factorization.

12490339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290516.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 12490339 is about 3534.1673701170. The cubic root of 12490339 is about 232.0196364176.

The spelling of 12490339 in words is "twelve million, four hundred ninety thousand, three hundred thirty-nine".