11942864 has 10 divisors (see below), whose sum is σ = 23139330. Its totient is φ = 5971424.

The previous prime is 11942851. The next prime is 11942893. The reversal of 11942864 is 46824911.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10942864 + 1000000 = 3308^2 + 1000^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373199 + ... + 373230.

It is an arithmetic number, because the mean of its divisors is an integer number (2313933).

Almost surely, 2^11942864 is an apocalyptic number.

It is an amenable number.

11942864 is a deficient number, since it is larger than the sum of its proper divisors (11196466).

11942864 is an equidigital number, since it uses as much as digits as its factorization.

11942864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746437 (or 746431 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 11942864 is about 3455.8449039273. The cubic root of 11942864 is about 228.5789125526.

The spelling of 11942864 in words is "eleven million, nine hundred forty-two thousand, eight hundred sixty-four".