12197379 has 8 divisors (see below), whose sum is σ = 16284672. Its totient is φ = 8120840.

The previous prime is 12197369. The next prime is 12197399. The reversal of 12197379 is 97379121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12197379 - 2⁸ = 12197123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12197329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502 + ... + 4964.

It is an arithmetic number, because the mean of its divisors is an integer number (2035584).

Almost surely, 2^12197379 is an apocalyptic number.

12197379 is a deficient number, since it is larger than the sum of its proper divisors (4087293).

12197379 is an equidigital number, since it uses as much as digits as its factorization.

12197379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377.

The product of its digits is 23814, while the sum is 39.

The square root of 12197379 is about 3492.4746241025. The cubic root of 12197379 is about 230.1912649731.

The spelling of 12197379 in words is "twelve million, one hundred ninety-seven thousand, three hundred seventy-nine".