11717345 has 8 divisors (see below), whose sum is σ = 14441064. Its totient is φ = 9120384.

The previous prime is 11717333. The next prime is 11717347. The reversal of 11717345 is 54371711.

11717345 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2007889 + 9709456 = 1417^2 + 3116^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11717345 - 2¹⁰ = 11716321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11717347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31484 + ... + 31853.

It is an arithmetic number, because the mean of its divisors is an integer number (1805133).

Almost surely, 2^11717345 is an apocalyptic number.

It is an amenable number.

11717345 is a deficient number, since it is larger than the sum of its proper divisors (2723719).

11717345 is an equidigital number, since it uses as much as digits as its factorization.

11717345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63379.

The product of its digits is 2940, while the sum is 29.

The square root of 11717345 is about 3423.0607648711. The cubic root of 11717345 is about 227.1309962143.

The spelling of 11717345 in words is "eleven million, seven hundred seventeen thousand, three hundred forty-five".