11667944 has 16 divisors (see below), whose sum is σ = 22411620. Its totient is φ = 5691520.

The previous prime is 11667937. The next prime is 11667959. The reversal of 11667944 is 44976611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9302500 + 2365444 = 3050^2 + 1538^2 .

It is a super-2 number, since 2×11667944² = 272281834374272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11667898 and 11667907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17459 + ... + 18114.

Almost surely, 2^11667944 is an apocalyptic number.

It is an amenable number.

11667944 is a deficient number, since it is larger than the sum of its proper divisors (10743676).

11667944 is a wasteful number, since it uses less digits than its factorization.

11667944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35620 (or 35616 counting only the distinct ones).

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

The square root of 11667944 is about 3415.8372326561. The cubic root of 11667944 is about 226.8113474618.

The spelling of 11667944 in words is "eleven million, six hundred sixty-seven thousand, nine hundred forty-four".