11791607 has 4 divisors (see below), whose sum is σ = 11856936. Its totient is φ = 11726280.

The previous prime is 11791601. The next prime is 11791631. The reversal of 11791607 is 70619711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11791607 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 (11791601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32393 + ... + 32754.

It is an arithmetic number, because the mean of its divisors is an integer number (2964234).

Almost surely, 2^11791607 is an apocalyptic number.

11791607 is a deficient number, since it is larger than the sum of its proper divisors (65329).

11791607 is an equidigital number, since it uses as much as digits as its factorization.

11791607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65328.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 11791607 is about 3433.8909417744. The cubic root of 11791607 is about 227.6098217907.

The spelling of 11791607 in words is "eleven million, seven hundred ninety-one thousand, six hundred seven".