11432639 has 2 divisors, whose sum is σ = 11432640. Its totient is φ = 11432638.

The previous prime is 11432591. The next prime is 11432647. The reversal of 11432639 is 93623411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11432639 - 2⁸ = 11432383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11432039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5716319 + 5716320.

It is an arithmetic number, because the mean of its divisors is an integer number (5716320).

Almost surely, 2^11432639 is an apocalyptic number.

11432639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11432639 is an equidigital number, since it uses as much as digits as its factorization.

11432639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 11432639 is about 3381.2185673216. The cubic root of 11432639 is about 225.2762959656.

The spelling of 11432639 in words is "eleven million, four hundred thirty-two thousand, six hundred thirty-nine".