12345879 has 32 divisors (see below), whose sum is σ = 20772864. Its totient is φ = 6347520.

The previous prime is 12345863. The next prime is 12345887. The reversal of 12345879 is 97854321.

12345879 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12345879 - 2⁴ = 12345863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10642 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (649152).

Almost surely, 2^12345879 is an apocalyptic number.

12345879 is a deficient number, since it is larger than the sum of its proper divisors (8426985).

12345879 is a wasteful number, since it uses less digits than its factorization.

12345879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its digits is 60480, while the sum is 39.

The square root of 12345879 is about 3513.6703032584. The cubic root of 12345879 is about 231.1216727501.

The spelling of 12345879 in words is "twelve million, three hundred forty-five thousand, eight hundred seventy-nine".