11604691 has 8 divisors (see below), whose sum is σ = 13292640. Its totient is φ = 9924288.

The previous prime is 11604689. The next prime is 11604731. The reversal of 11604691 is 19640611.

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 11604691 - 2¹ = 11604689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11604631) 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 7 ways as a sum of consecutive naturals, for example, 1935 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (1661580).

Almost surely, 2^11604691 is an apocalyptic number.

11604691 is a deficient number, since it is larger than the sum of its proper divisors (1687949).

11604691 is an equidigital number, since it uses as much as digits as its factorization.

11604691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11604691 is about 3406.5658660886. The cubic root of 11604691 is about 226.4007495282.

The spelling of 11604691 in words is "eleven million, six hundred four thousand, six hundred ninety-one".