11943320 has 16 divisors (see below), whose sum is σ = 26872560. Its totient is φ = 4777312.

The previous prime is 11943317. The next prime is 11943359. The reversal of 11943320 is 2334911.

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 in 3 ways as a sum of consecutive naturals, for example, 149252 + ... + 149331.

It is an arithmetic number, because the mean of its divisors is an integer number (1679535).

Almost surely, 2^11943320 is an apocalyptic number.

11943320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11943320 is an abundant number, since it is smaller than the sum of its proper divisors (14929240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11943320 is a wasteful number, since it uses less digits than its factorization.

11943320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298594 (or 298590 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 11943320 is about 3455.9108784805. The cubic root of 11943320 is about 228.5818217000.

The spelling of 11943320 in words is "eleven million, nine hundred forty-three thousand, three hundred twenty".