11573715 has 16 divisors (see below), whose sum is σ = 19323648. Its totient is φ = 5904096.

The previous prime is 11573701. The next prime is 11573747. The reversal of 11573715 is 51737511.

11573715 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11573715 - 2⁴ = 11573699 is a prime.

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, 16429 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (1207728).

Almost surely, 2^11573715 is an apocalyptic number.

11573715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11573715 is a deficient number, since it is larger than the sum of its proper divisors (7749933).

11573715 is a wasteful number, since it uses less digits than its factorization.

11573715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33578.

The product of its digits is 3675, while the sum is 30.

The square root of 11573715 is about 3402.0163138939. The cubic root of 11573715 is about 226.1991288006.

The spelling of 11573715 in words is "eleven million, five hundred seventy-three thousand, seven hundred fifteen".