12201279 has 8 divisors (see below), whose sum is σ = 16497792. Its totient is φ = 8019480.

The previous prime is 12201269. The next prime is 12201283. The reversal of 12201279 is 97210221.

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

It is not a de Polignac number, because 12201279 - 2⁴ = 12201263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28429 + ... + 28854.

It is an arithmetic number, because the mean of its divisors is an integer number (2062224).

Almost surely, 2^12201279 is an apocalyptic number.

12201279 is a deficient number, since it is larger than the sum of its proper divisors (4296513).

12201279 is an equidigital number, since it uses as much as digits as its factorization.

12201279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57357.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12201279 is about 3493.0329228337. The cubic root of 12201279 is about 230.2157962069.

The spelling of 12201279 in words is "twelve million, two hundred one thousand, two hundred seventy-nine".