12055879 has 4 divisors (see below), whose sum is σ = 13151880. Its totient is φ = 10959880.

The previous prime is 12055859. The next prime is 12055891. The reversal of 12055879 is 97855021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97855021 = 11 ⋅8895911.

It is a cyclic number.

It is not a de Polignac number, because 12055879 - 2⁵ = 12055847 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 (12055859) 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, 547984 + ... + 548005.

It is an arithmetic number, because the mean of its divisors is an integer number (3287970).

Almost surely, 2^12055879 is an apocalyptic number.

12055879 is a deficient number, since it is larger than the sum of its proper divisors (1096001).

12055879 is a wasteful number, since it uses less digits than its factorization.

12055879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096000.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 12055879 is about 3472.1576865114. The cubic root of 12055879 is about 229.2976621570.

The spelling of 12055879 in words is "twelve million, fifty-five thousand, eight hundred seventy-nine".