11617969 has 4 divisors (see below), whose sum is σ = 12674160. Its totient is φ = 10561780.

The previous prime is 11617961. The next prime is 11617973. The reversal of 11617969 is 96971611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11617969 - 2³ = 11617961 is a prime.

It is a super-2 number, since 2×11617969² = 269954407369922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11617961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528079 + ... + 528100.

It is an arithmetic number, because the mean of its divisors is an integer number (3168540).

Almost surely, 2^11617969 is an apocalyptic number.

It is an amenable number.

11617969 is a deficient number, since it is larger than the sum of its proper divisors (1056191).

11617969 is a wasteful number, since it uses less digits than its factorization.

11617969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056190.

The product of its digits is 20412, while the sum is 40.

The square root of 11617969 is about 3408.5141924305. The cubic root of 11617969 is about 226.4870652932.

The spelling of 11617969 in words is "eleven million, six hundred seventeen thousand, nine hundred sixty-nine".