12255956 has 6 divisors (see below), whose sum is σ = 21447930. Its totient is φ = 6127976.

The previous prime is 12255953. The next prime is 12255979. The reversal of 12255956 is 65955221.

It can be written as a sum of positive squares in only one way, i.e., 8584900 + 3671056 = 2930^2 + 1916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255953) 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 as a sum of consecutive naturals, namely, 1531991 + ... + 1531998.

It is an arithmetic number, because the mean of its divisors is an integer number (3574655).

Almost surely, 2^12255956 is an apocalyptic number.

It is an amenable number.

12255956 is a deficient number, since it is larger than the sum of its proper divisors (9191974).

12255956 is a wasteful number, since it uses less digits than its factorization.

12255956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063993 (or 3063991 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The square root of 12255956 is about 3500.8507537454. The cubic root of 12255956 is about 230.5591687654.

The spelling of 12255956 in words is "twelve million, two hundred fifty-five thousand, nine hundred fifty-six".