11820668 has 6 divisors (see below), whose sum is σ = 20686176. Its totient is φ = 5910332.

The previous prime is 11820659. The next prime is 11820673. The reversal of 11820668 is 86602811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477580 + ... + 1477587.

It is an arithmetic number, because the mean of its divisors is an integer number (3447696).

Almost surely, 2^11820668 is an apocalyptic number.

It is an amenable number.

11820668 is a deficient number, since it is larger than the sum of its proper divisors (8865508).

11820668 is a wasteful number, since it uses less digits than its factorization.

11820668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955171 (or 2955169 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 11820668 is about 3438.1198350261. The cubic root of 11820668 is about 227.7966536189.

The spelling of 11820668 in words is "eleven million, eight hundred twenty thousand, six hundred sixty-eight".