12942502 has 4 divisors (see below), whose sum is σ = 19413756. Its totient is φ = 6471250.

The previous prime is 12942487. The next prime is 12942509. The reversal of 12942502 is 20524921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20524921 = 19 ⋅1080259.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235624 + ... + 3235627.

It is an arithmetic number, because the mean of its divisors is an integer number (4853439).

Almost surely, 2^12942502 is an apocalyptic number.

12942502 is a deficient number, since it is larger than the sum of its proper divisors (6471254).

12942502 is an equidigital number, since it uses as much as digits as its factorization.

12942502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471253.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12942502 is about 3597.5689013555. The cubic root of 12942502 is about 234.7862973487.

The spelling of 12942502 in words is "twelve million, nine hundred forty-two thousand, five hundred two".