12260279 has 4 divisors (see below), whose sum is σ = 12521184. Its totient is φ = 11999376.

The previous prime is 12260257. The next prime is 12260291. The reversal of 12260279 is 97206221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12260279 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 (12260239) 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, 130382 + ... + 130475.

It is an arithmetic number, because the mean of its divisors is an integer number (3130296).

Almost surely, 2^12260279 is an apocalyptic number.

12260279 is a deficient number, since it is larger than the sum of its proper divisors (260905).

12260279 is an equidigital number, since it uses as much as digits as its factorization.

12260279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260904.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12260279 is about 3501.4681206602. The cubic root of 12260279 is about 230.5862736854.

The spelling of 12260279 in words is "twelve million, two hundred sixty thousand, two hundred seventy-nine".