11532681 has 12 divisors (see below), whose sum is σ = 17638452. Its totient is φ = 7236096.

The previous prime is 11532679. The next prime is 11532701. The reversal of 11532681 is 18623511.

It can be written as a sum of positive squares in 2 ways, for example, as 9734400 + 1798281 = 3120^2 + 1341^2 .

It is not a de Polignac number, because 11532681 - 2¹ = 11532679 is a prime.

It is a super-2 number, since 2×11532681² = 266005462095522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11532611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37536 + ... + 37841.

It is an arithmetic number, because the mean of its divisors is an integer number (1469871).

Almost surely, 2^11532681 is an apocalyptic number.

It is an amenable number.

11532681 is a deficient number, since it is larger than the sum of its proper divisors (6105771).

11532681 is a wasteful number, since it uses less digits than its factorization.

11532681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75400 (or 75397 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11532681 is about 3395.9801236167. The cubic root of 11532681 is about 225.9314865281.

The spelling of 11532681 in words is "eleven million, five hundred thirty-two thousand, six hundred eighty-one".