11717969 has 4 divisors (see below), whose sum is σ = 12096000. Its totient is φ = 11339940.

The previous prime is 11717963. The next prime is 11717977. The reversal of 11717969 is 96971711.

11717969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-11717969 is a prime.

It is a super-2 number, since 2×11717969² = 274621594969922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11717963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188969 + ... + 189030.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^11717969 is an apocalyptic number.

It is an amenable number.

11717969 is a deficient number, since it is larger than the sum of its proper divisors (378031).

11717969 is an equidigital number, since it uses as much as digits as its factorization.

11717969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378030.

The product of its digits is 23814, while the sum is 41.

The square root of 11717969 is about 3423.1519101553. The cubic root of 11717969 is about 227.1350280499.

The spelling of 11717969 in words is "eleven million, seven hundred seventeen thousand, nine hundred sixty-nine".