11767997 has 8 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 11293744.

The previous prime is 11767993. The next prime is 11768017. The reversal of 11767997 is 79976711.

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 11767997 - 2² = 11767993 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 (11767993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4058 + ... + 6324.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2^11767997 is an apocalyptic number.

It is an amenable number.

11767997 is a deficient number, since it is larger than the sum of its proper divisors (479203).

11767997 is a wasteful number, since it uses less digits than its factorization.

11767997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475.

The product of its digits is 166698, while the sum is 47.

The square root of 11767997 is about 3430.4514280194. The cubic root of 11767997 is about 227.4578080594.

The spelling of 11767997 in words is "eleven million, seven hundred sixty-seven thousand, nine hundred ninety-seven".