11532639 has 8 divisors (see below), whose sum is σ = 16186240. Its totient is φ = 7283736.

The previous prime is 11532629. The next prime is 11532659. The reversal of 11532639 is 93623511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11532639 - 2⁵ = 11532607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101107 + ... + 101220.

It is an arithmetic number, because the mean of its divisors is an integer number (2023280).

Almost surely, 2^11532639 is an apocalyptic number.

11532639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11532639 is a deficient number, since it is larger than the sum of its proper divisors (4653601).

11532639 is a wasteful number, since it uses less digits than its factorization.

11532639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202349.

The product of its digits is 4860, while the sum is 30.

The square root of 11532639 is about 3395.9739398293. The cubic root of 11532639 is about 225.9312122601.

The spelling of 11532639 in words is "eleven million, five hundred thirty-two thousand, six hundred thirty-nine".