11864132 has 48 divisors (see below), whose sum is σ = 25872000. Its totient is φ = 4644864.

The previous prime is 11864131. The next prime is 11864183. The reversal of 11864132 is 23146811.

It is a super-2 number, since 2×11864132² = 281515256226848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11864131) 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, 15044 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (539000).

Almost surely, 2^11864132 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 11864132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12936000).

11864132 is an abundant number, since it is smaller than the sum of its proper divisors (14007868).

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

11864132 is a wasteful number, since it uses less digits than its factorization.

11864132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 826 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 11864132 is about 3444.4349318865. The cubic root of 11864132 is about 228.0755110512.

The spelling of 11864132 in words is "eleven million, eight hundred sixty-four thousand, one hundred thirty-two".