12513442 has 16 divisors (see below), whose sum is σ = 19670400. Its totient is φ = 5962320.

The previous prime is 12513433. The next prime is 12513451. The reversal of 12513442 is 24431521.

It is an interprime number because it is at equal distance from previous prime (12513433) and next prime (12513451).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3217 + ... + 5947.

It is an arithmetic number, because the mean of its divisors is an integer number (1229400).

Almost surely, 2^12513442 is an apocalyptic number.

12513442 is a deficient number, since it is larger than the sum of its proper divisors (7156958).

12513442 is a wasteful number, since it uses less digits than its factorization.

12513442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 960, while the sum is 22.

The square root of 12513442 is about 3537.4343810168. The cubic root of 12513442 is about 232.1626015283.

Adding to 12513442 its reverse (24431521), we get a palindrome (36944963).

The spelling of 12513442 in words is "twelve million, five hundred thirteen thousand, four hundred forty-two".