12279956 has 12 divisors (see below), whose sum is σ = 23143092. Its totient is φ = 5667648.

The previous prime is 12279919. The next prime is 12279959. The reversal of 12279956 is 65997221.

It can be written as a sum of positive squares in 2 ways, for example, as 2669956 + 9610000 = 1634^2 + 3100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279959) 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 3 ways as a sum of consecutive naturals, for example, 118025 + ... + 118128.

It is an arithmetic number, because the mean of its divisors is an integer number (1928591).

Almost surely, 2^12279956 is an apocalyptic number.

It is an amenable number.

12279956 is a deficient number, since it is larger than the sum of its proper divisors (10863136).

12279956 is a wasteful number, since it uses less digits than its factorization.

12279956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236170 (or 236168 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 12279956 is about 3504.2768155498. The cubic root of 12279956 is about 230.7095667180.

The spelling of 12279956 in words is "twelve million, two hundred seventy-nine thousand, nine hundred fifty-six".