12542879 has 8 divisors (see below), whose sum is σ = 12992640. Its totient is φ = 12096000.

The previous prime is 12542863. The next prime is 12542891. The reversal of 12542879 is 97824521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12542879 - 2⁴ = 12542863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11927 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (1624080).

Almost surely, 2^12542879 is an apocalyptic number.

12542879 is a deficient number, since it is larger than the sum of its proper divisors (449761).

12542879 is a wasteful number, since it uses less digits than its factorization.

12542879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its digits is 40320, while the sum is 38.

The square root of 12542879 is about 3541.5927207967. The cubic root of 12542879 is about 232.3445077409.

The spelling of 12542879 in words is "twelve million, five hundred forty-two thousand, eight hundred seventy-nine".