11550940 has 12 divisors (see below), whose sum is σ = 24257016. Its totient is φ = 4620368.

The previous prime is 11550937. The next prime is 11550943. The reversal of 11550940 is 4905511.

It is an interprime number because it is at equal distance from previous prime (11550937) and next prime (11550943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550943) 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, 288754 + ... + 288793.

It is an arithmetic number, because the mean of its divisors is an integer number (2021418).

Almost surely, 2^11550940 is an apocalyptic number.

11550940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11550940 is an abundant number, since it is smaller than the sum of its proper divisors (12706076).

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

11550940 is a wasteful number, since it uses less digits than its factorization.

11550940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577556 (or 577554 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 11550940 is about 3398.6673859029. The cubic root of 11550940 is about 226.0506582344.

The spelling of 11550940 in words is "eleven million, five hundred fifty thousand, nine hundred forty".