11672691 has 8 divisors (see below), whose sum is σ = 15605760. Its totient is φ = 7760712.

The previous prime is 11672677. The next prime is 11672711. The reversal of 11672691 is 19627611.

11672691 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 de Polignac number, because none of the positive numbers 2^k-11672691 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11672611) 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, 3931 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (1950720).

Almost surely, 2^11672691 is an apocalyptic number.

11672691 is a deficient number, since it is larger than the sum of its proper divisors (3933069).

11672691 is a wasteful number, since it uses less digits than its factorization.

11672691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545.

The product of its digits is 4536, while the sum is 33.

The square root of 11672691 is about 3416.5320136068. The cubic root of 11672691 is about 226.8421020228.

The spelling of 11672691 in words is "eleven million, six hundred seventy-two thousand, six hundred ninety-one".