11748520 has 32 divisors (see below), whose sum is σ = 30211200. Its totient is φ = 4027968.

The previous prime is 11748511. The next prime is 11748521. The reversal of 11748520 is 2584711.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (11748521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20700 + ... + 21259.

It is an arithmetic number, because the mean of its divisors is an integer number (944100).

Almost surely, 2^11748520 is an apocalyptic number.

11748520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11748520 is an abundant number, since it is smaller than the sum of its proper divisors (18462680).

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

11748520 is a wasteful number, since it uses less digits than its factorization.

11748520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41977 (or 41973 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 11748520 is about 3427.6114132147. The cubic root of 11748520 is about 227.3322516573.

The spelling of 11748520 in words is "eleven million, seven hundred forty-eight thousand, five hundred twenty".