11973320 has 16 divisors (see below), whose sum is σ = 26940060. Its totient is φ = 4789312.

The previous prime is 11973293. The next prime is 11973329. The reversal of 11973320 is 2337911.

11973320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 1643524 = 3214^2 + 1282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11973320.

It is not an unprimeable number, because it can be changed into a prime (11973329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149627 + ... + 149706.

Almost surely, 2^11973320 is an apocalyptic number.

11973320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11973320 is an abundant number, since it is smaller than the sum of its proper divisors (14966740).

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

11973320 is a wasteful number, since it uses less digits than its factorization.

11973320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299344 (or 299340 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 11973320 is about 3460.2485459863. The cubic root of 11973320 is about 228.7730505204.

The spelling of 11973320 in words is "eleven million, nine hundred seventy-three thousand, three hundred twenty".