11715530 has 8 divisors (see below), whose sum is σ = 21087972. Its totient is φ = 4686208.

The previous prime is 11715527. The next prime is 11715577. The reversal of 11715530 is 3551711.

11715530 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 11621281 + 94249 = 3409^2 + 307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11715496 and 11715505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585767 + ... + 585786.

Almost surely, 2^11715530 is an apocalyptic number.

11715530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11715530 is a deficient number, since it is larger than the sum of its proper divisors (9372442).

11715530 is a wasteful number, since it uses less digits than its factorization.

11715530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171560.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 11715530 is about 3422.7956409929. The cubic root of 11715530 is about 227.1192681865.

The spelling of 11715530 in words is "eleven million, seven hundred fifteen thousand, five hundred thirty".