11670864 has 80 divisors (see below), whose sum is σ = 32378880. Its totient is φ = 3611520.

The previous prime is 11670863. The next prime is 11670877. The reversal of 11670864 is 46807611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11670863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61009 + ... + 61199.

It is an arithmetic number, because the mean of its divisors is an integer number (404736).

Almost surely, 2^11670864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11670864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16189440).

11670864 is an abundant number, since it is smaller than the sum of its proper divisors (20708016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11670864 is a wasteful number, since it uses less digits than its factorization.

11670864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 11670864 is about 3416.2646267524. The cubic root of 11670864 is about 226.8302663588.

The spelling of 11670864 in words is "eleven million, six hundred seventy thousand, eight hundred sixty-four".