11745520 has 20 divisors (see below), whose sum is σ = 27308520. Its totient is φ = 4698176.

The previous prime is 11745509. The next prime is 11745527. The reversal of 11745520 is 2554711.

11745520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745527) 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, 73330 + ... + 73489.

It is an arithmetic number, because the mean of its divisors is an integer number (1365426).

Almost surely, 2^11745520 is an apocalyptic number.

11745520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11745520 is an abundant number, since it is smaller than the sum of its proper divisors (15563000).

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

11745520 is a wasteful number, since it uses less digits than its factorization.

11745520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146832 (or 146826 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 11745520 is about 3427.1737627380. The cubic root of 11745520 is about 227.3129001471.

The spelling of 11745520 in words is "eleven million, seven hundred forty-five thousand, five hundred twenty".