11565132 has 12 divisors (see below), whose sum is σ = 26985336. Its totient is φ = 3855040.

The previous prime is 11565131. The next prime is 11565133. The reversal of 11565132 is 23156511.

It is an interprime number because it is at equal distance from previous prime (11565131) and next prime (11565133).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11565131) 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, 481869 + ... + 481892.

It is an arithmetic number, because the mean of its divisors is an integer number (2248778).

Almost surely, 2^11565132 is an apocalyptic number.

11565132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11565132 is an abundant number, since it is smaller than the sum of its proper divisors (15420204).

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

11565132 is a wasteful number, since it uses less digits than its factorization.

11565132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963768 (or 963766 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 11565132 is about 3400.7546221390. The cubic root of 11565132 is about 226.1431989847.

The spelling of 11565132 in words is "eleven million, five hundred sixty-five thousand, one hundred thirty-two".