11957317 has 6 divisors (see below), whose sum is σ = 12219398. Its totient is φ = 11700744.

The previous prime is 11957303. The next prime is 11957329. The reversal of 11957317 is 71375911.

11957317 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 only one way, i.e., 8767521 + 3189796 = 2961^2 + 1786^2 .

It is not a de Polignac number, because 11957317 - 2⁷ = 11957189 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 (11957347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498 + ... + 4915.

Almost surely, 2^11957317 is an apocalyptic number.

It is an amenable number.

11957317 is a deficient number, since it is larger than the sum of its proper divisors (262081).

11957317 is an frugal number, since it uses more digits than its factorization.

11957317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5460 counting only the distinct ones).

The product of its digits is 6615, while the sum is 34.

The square root of 11957317 is about 3457.9353666603. The cubic root of 11957317 is about 228.6710824946.

The spelling of 11957317 in words is "eleven million, nine hundred fifty-seven thousand, three hundred seventeen".