12279944 has 8 divisors (see below), whose sum is σ = 23024910. Its totient is φ = 6139968.

The previous prime is 12279919. The next prime is 12279959. The reversal of 12279944 is 44997221.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 3648100 = 2938^2 + 1910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12279898 and 12279907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767489 + ... + 767504.

Almost surely, 2^12279944 is an apocalyptic number.

It is an amenable number.

12279944 is a deficient number, since it is larger than the sum of its proper divisors (10744966).

12279944 is a wasteful number, since it uses less digits than its factorization.

12279944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534999 (or 1534995 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 12279944 is about 3504.2751033559. The cubic root of 12279944 is about 230.7094915680.

The spelling of 12279944 in words is "twelve million, two hundred seventy-nine thousand, nine hundred forty-four".