11618964 has 120 divisors (see below), whose sum is σ = 35777280. Its totient is φ = 3219264.

The previous prime is 11618953. The next prime is 11618983. The reversal of 11618964 is 46981611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 106542 + ... + 106650.

It is an arithmetic number, because the mean of its divisors is an integer number (298144).

Almost surely, 2^11618964 is an apocalyptic number.

11618964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11618964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17888640).

11618964 is an abundant number, since it is smaller than the sum of its proper divisors (24158316).

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

11618964 is a wasteful number, since it uses less digits than its factorization.

11618964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 168 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11618964 is about 3408.6601473306. The cubic root of 11618964 is about 226.4935308007.

The spelling of 11618964 in words is "eleven million, six hundred eighteen thousand, nine hundred sixty-four".