11875917 has 8 divisors (see below), whose sum is σ = 15865696. Its totient is φ = 7901712.

The previous prime is 11875901. The next prime is 11875921. The reversal of 11875917 is 71957811.

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

It is not a de Polignac number, because 11875917 - 2⁴ = 11875901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11875217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (1983212).

Almost surely, 2^11875917 is an apocalyptic number.

It is an amenable number.

11875917 is a deficient number, since it is larger than the sum of its proper divisors (3989779).

11875917 is an equidigital number, since it uses as much as digits as its factorization.

11875917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787.

The product of its digits is 17640, while the sum is 39.

The square root of 11875917 is about 3446.1452377983. The cubic root of 11875917 is about 228.1510041539.

The spelling of 11875917 in words is "eleven million, eight hundred seventy-five thousand, nine hundred seventeen".