12469879 has 4 divisors (see below), whose sum is σ = 12610080. Its totient is φ = 12329680.

The previous prime is 12469867. The next prime is 12469883. The reversal of 12469879 is 97896421.

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

It is a cyclic number.

It is not a de Polignac number, because 12469879 - 2²³ = 4081271 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 (12469579) 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, 69967 + ... + 70144.

It is an arithmetic number, because the mean of its divisors is an integer number (3152520).

Almost surely, 2^12469879 is an apocalyptic number.

12469879 is a deficient number, since it is larger than the sum of its proper divisors (140201).

12469879 is an equidigital number, since it uses as much as digits as its factorization.

12469879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140200.

The product of its digits is 217728, while the sum is 46.

The square root of 12469879 is about 3531.2715840048. The cubic root of 12469879 is about 231.8928793521.

The spelling of 12469879 in words is "twelve million, four hundred sixty-nine thousand, eight hundred seventy-nine".