12381179 has 4 divisors (see below), whose sum is σ = 13032840. Its totient is φ = 11729520.

The previous prime is 12381169. The next prime is 12381223. The reversal of 12381179 is 97118321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97118321 = 9803 ⋅9907.

It is a cyclic number.

It is not a de Polignac number, because 12381179 - 2¹⁶ = 12315643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12381169) 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, 325802 + ... + 325839.

It is an arithmetic number, because the mean of its divisors is an integer number (3258210).

Almost surely, 2^12381179 is an apocalyptic number.

12381179 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12381179 is a deficient number, since it is larger than the sum of its proper divisors (651661).

12381179 is an equidigital number, since it uses as much as digits as its factorization.

12381179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651660.

The product of its digits is 3024, while the sum is 32.

The square root of 12381179 is about 3518.6899550827. The cubic root of 12381179 is about 231.3417416369.

The spelling of 12381179 in words is "twelve million, three hundred eighty-one thousand, one hundred seventy-nine".