12180959 has 16 divisors (see below), whose sum is σ = 15048000. Its totient is φ = 9821952.

The previous prime is 12180947. The next prime is 12180967. The reversal of 12180959 is 95908121.

It is not a de Polignac number, because 12180959 - 2⁸ = 12180703 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 (12180979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4787 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (940500).

Almost surely, 2^12180959 is an apocalyptic number.

12180959 is a deficient number, since it is larger than the sum of its proper divisors (2867041).

12180959 is an equidigital number, since it uses as much as digits as its factorization.

12180959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 12180959 is about 3490.1230637329. The cubic root of 12180959 is about 230.0879247958.

The spelling of 12180959 in words is "twelve million, one hundred eighty thousand, nine hundred fifty-nine".