11665942 has 8 divisors (see below), whose sum is σ = 17695800. Its totient is φ = 5767344.

The previous prime is 11665937. The next prime is 11665963. The reversal of 11665942 is 24956611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11665898 and 11665907.

It is a congruent number.

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, 32592 + ... + 32947.

It is an arithmetic number, because the mean of its divisors is an integer number (2211975).

Almost surely, 2^11665942 is an apocalyptic number.

11665942 is a deficient number, since it is larger than the sum of its proper divisors (6029858).

11665942 is an equidigital number, since it uses as much as digits as its factorization.

11665942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65630.

The product of its digits is 12960, while the sum is 34.

The square root of 11665942 is about 3415.5441733346. The cubic root of 11665942 is about 226.7983745310.

The spelling of 11665942 in words is "eleven million, six hundred sixty-five thousand, nine hundred forty-two".