12055579 has 4 divisors (see below), whose sum is σ = 12089520. Its totient is φ = 12021640.

The previous prime is 12055577. The next prime is 12055639. The reversal of 12055579 is 97555021.

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 12055579 - 2¹ = 12055577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12055577) 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, 16432 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (3022380).

Almost surely, 2^12055579 is an apocalyptic number.

12055579 is a deficient number, since it is larger than the sum of its proper divisors (33941).

12055579 is an equidigital number, since it uses as much as digits as its factorization.

12055579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33940.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 12055579 is about 3472.1144854397. The cubic root of 12055579 is about 229.2957601840.

The spelling of 12055579 in words is "twelve million, fifty-five thousand, five hundred seventy-nine".