11820764 has 6 divisors (see below), whose sum is σ = 20686344. Its totient is φ = 5910380.

The previous prime is 11820727. The next prime is 11820769. The reversal of 11820764 is 46702811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11820769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477592 + ... + 1477599.

It is an arithmetic number, because the mean of its divisors is an integer number (3447724).

Almost surely, 2^11820764 is an apocalyptic number.

It is an amenable number.

11820764 is a deficient number, since it is larger than the sum of its proper divisors (8865580).

11820764 is a wasteful number, since it uses less digits than its factorization.

11820764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955195 (or 2955193 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 11820764 is about 3438.1337961167. The cubic root of 11820764 is about 227.7972702908.

The spelling of 11820764 in words is "eleven million, eight hundred twenty thousand, seven hundred sixty-four".