11943120 has 80 divisors (see below), whose sum is σ = 42318720. Its totient is φ = 2729472.

The previous prime is 11943109. The next prime is 11943131. The reversal of 11943120 is 2134911.

11943120 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 (11943109) and next prime (11943131).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 1875 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (528984).

Almost surely, 2^11943120 is an apocalyptic number.

11943120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11943120 is an abundant number, since it is smaller than the sum of its proper divisors (30375600).

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

11943120 is a wasteful number, since it uses less digits than its factorization.

11943120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132 (or 7126 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11943120 is about 3455.8819424280. The cubic root of 11943120 is about 228.5805457673.

The spelling of 11943120 in words is "eleven million, nine hundred forty-three thousand, one hundred twenty".