12087879 has 8 divisors (see below), whose sum is σ = 16162560. Its totient is φ = 8035896.

The previous prime is 12087877. The next prime is 12087899. The reversal of 12087879 is 97878021.

12087879 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 a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12087879 - 2¹ = 12087877 is a prime.

It is a super-2 number, since 2×12087879² = 292233637437282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12087879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389 + ... + 6590.

It is an arithmetic number, because the mean of its divisors is an integer number (2020320).

Almost surely, 2^12087879 is an apocalyptic number.

12087879 is a deficient number, since it is larger than the sum of its proper divisors (4074681).

12087879 is a wasteful number, since it uses less digits than its factorization.

12087879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 12087879 is about 3476.7627183919. The cubic root of 12087879 is about 229.5003583611.

The spelling of 12087879 in words is "twelve million, eighty-seven thousand, eight hundred seventy-nine".