11332639 has 4 divisors (see below), whose sum is σ = 11698240. Its totient is φ = 10967040.

The previous prime is 11332631. The next prime is 11332681. The reversal of 11332639 is 93623311.

11332639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93623311 = 139 ⋅673549.

It is a cyclic number.

It is not a de Polignac number, because 11332639 - 2³ = 11332631 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332631) 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, 182754 + ... + 182815.

It is an arithmetic number, because the mean of its divisors is an integer number (2924560).

Almost surely, 2^11332639 is an apocalyptic number.

11332639 is a deficient number, since it is larger than the sum of its proper divisors (365601).

11332639 is an equidigital number, since it uses as much as digits as its factorization.

11332639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365600.

The product of its digits is 2916, while the sum is 28.

The square root of 11332639 is about 3366.3985206746. The cubic root of 11332639 is about 224.6175494635.

The spelling of 11332639 in words is "eleven million, three hundred thirty-two thousand, six hundred thirty-nine".