11942564 has 48 divisors (see below), whose sum is σ = 23493120. Its totient is φ = 5287680.

The previous prime is 11942531. The next prime is 11942597. The reversal of 11942564 is 46524911.

11942564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11942531) and next prime (11942597).

It is a self number, because there is not a number n which added to its sum of digits gives 11942564.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87104 + ... + 87240.

It is an arithmetic number, because the mean of its divisors is an integer number (489440).

Almost surely, 2^11942564 is an apocalyptic number.

It is an amenable number.

11942564 is a deficient number, since it is larger than the sum of its proper divisors (11550556).

11942564 is a wasteful number, since it uses less digits than its factorization.

11942564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 226 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 11942564 is about 3455.8014989290. The cubic root of 11942564 is about 228.5769985994.

The spelling of 11942564 in words is "eleven million, nine hundred forty-two thousand, five hundred sixty-four".