11715345 has 24 divisors (see below), whose sum is σ = 20405736. Its totient is φ = 6217728.

The previous prime is 11715331. The next prime is 11715383. The reversal of 11715345 is 54351711.

It can be written as a sum of positive squares in 4 ways, for example, as 904401 + 10810944 = 951^2 + 3288^2 .

It is not a de Polignac number, because 11715345 - 2⁵ = 11715313 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11059 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (850239).

Almost surely, 2^11715345 is an apocalyptic number.

11715345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11715345 is a deficient number, since it is larger than the sum of its proper divisors (8690391).

11715345 is a wasteful number, since it uses less digits than its factorization.

11715345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1278 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 11715345 is about 3422.7686161936. The cubic root of 11715345 is about 227.1180726997.

The spelling of 11715345 in words is "eleven million, seven hundred fifteen thousand, three hundred forty-five".