11673656 has 8 divisors (see below), whose sum is σ = 21888120. Its totient is φ = 5836824.

The previous prime is 11673653. The next prime is 11673661. The reversal of 11673656 is 65637611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729596 + ... + 729611.

It is an arithmetic number, because the mean of its divisors is an integer number (2736015).

Almost surely, 2^11673656 is an apocalyptic number.

It is an amenable number.

11673656 is a deficient number, since it is larger than the sum of its proper divisors (10214464).

11673656 is a wasteful number, since it uses less digits than its factorization.

11673656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459213 (or 1459209 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 11673656 is about 3416.6732357660. The cubic root of 11673656 is about 226.8483529835.

The spelling of 11673656 in words is "eleven million, six hundred seventy-three thousand, six hundred fifty-six".