11799540 has 48 divisors (see below), whose sum is σ = 36711360. Its totient is φ = 3146400.

The previous prime is 11799539. The next prime is 11799553. The reversal of 11799540 is 4599711.

11799540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11799495 and 11799504.

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, 10386 + ... + 11465.

It is an arithmetic number, because the mean of its divisors is an integer number (764820).

Almost surely, 2^11799540 is an apocalyptic number.

11799540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11799540 is an abundant number, since it is smaller than the sum of its proper divisors (24911820).

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

11799540 is a wasteful number, since it uses less digits than its factorization.

11799540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21869 (or 21861 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 11799540 is about 3435.0458512224. The cubic root of 11799540 is about 227.6608531145.

The spelling of 11799540 in words is "eleven million, seven hundred ninety-nine thousand, five hundred forty".