11717797 has 8 divisors (see below), whose sum is σ = 14422016. Its totient is φ = 9271152.

The previous prime is 11717791. The next prime is 11717837. The reversal of 11717797 is 79771711.

It is a happy number.

11717797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11717797 - 2⁷ = 11717669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64293 + ... + 64474.

It is an arithmetic number, because the mean of its divisors is an integer number (1802752).

Almost surely, 2^11717797 is an apocalyptic number.

It is an amenable number.

11717797 is a deficient number, since it is larger than the sum of its proper divisors (2704219).

11717797 is a wasteful number, since it uses less digits than its factorization.

11717797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128787.

The product of its digits is 21609, while the sum is 40.

The square root of 11717797 is about 3423.1267870180. The cubic root of 11717797 is about 227.1339167249.

It can be divided in two parts, 117 and 17797, that multiplied together give a square (2082249 = 1443²).

The spelling of 11717797 in words is "eleven million, seven hundred seventeen thousand, seven hundred ninety-seven".