11672657 has 4 divisors (see below), whose sum is σ = 11685696. Its totient is φ = 11659620.

The previous prime is 11672641. The next prime is 11672663. The reversal of 11672657 is 75627611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11672657 - 2⁴ = 11672641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11672677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5069 + ... + 7002.

It is an arithmetic number, because the mean of its divisors is an integer number (2921424).

Almost surely, 2^11672657 is an apocalyptic number.

It is an amenable number.

11672657 is a deficient number, since it is larger than the sum of its proper divisors (13039).

11672657 is an equidigital number, since it uses as much as digits as its factorization.

11672657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038.

The product of its digits is 17640, while the sum is 35.

The square root of 11672657 is about 3416.5270377973. The cubic root of 11672657 is about 226.8418817754.

The spelling of 11672657 in words is "eleven million, six hundred seventy-two thousand, six hundred fifty-seven".