11812617 has 6 divisors (see below), whose sum is σ = 17062682. Its totient is φ = 7875072.

The previous prime is 11812607. The next prime is 11812621. The reversal of 11812617 is 71621811.

11812617 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., 9217296 + 2595321 = 3036^2 + 1611^2 .

It is not a de Polignac number, because 11812617 - 2⁴ = 11812601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11812607) 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, 656248 + ... + 656265.

Almost surely, 2^11812617 is an apocalyptic number.

It is an amenable number.

11812617 is a deficient number, since it is larger than the sum of its proper divisors (5250065).

11812617 is a wasteful number, since it uses less digits than its factorization.

11812617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312519 (or 1312516 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 11812617 is about 3436.9487921702. The cubic root of 11812617 is about 227.7449248055.

The spelling of 11812617 in words is "eleven million, eight hundred twelve thousand, six hundred seventeen".