12180679 has 4 divisors (see below), whose sum is σ = 13920784. Its totient is φ = 10440576.

The previous prime is 12180673. The next prime is 12180683. The reversal of 12180679 is 97608121.

It is a happy number.

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 12180679 - 2³ = 12180671 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 (12180671) 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, 870042 + ... + 870055.

It is an arithmetic number, because the mean of its divisors is an integer number (3480196).

Almost surely, 2^12180679 is an apocalyptic number.

12180679 is a deficient number, since it is larger than the sum of its proper divisors (1740105).

12180679 is an equidigital number, since it uses as much as digits as its factorization.

12180679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740104.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12180679 is about 3490.0829503036. The cubic root of 12180679 is about 230.0861617952.

The spelling of 12180679 in words is "twelve million, one hundred eighty thousand, six hundred seventy-nine".