11582641 has 4 divisors (see below), whose sum is σ = 13237312. Its totient is φ = 9927972.

The previous prime is 11582621. The next prime is 11582651. The reversal of 11582641 is 14628511.

11582641 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11582641 - 2¹⁵ = 11549873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11582621) 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, 827325 + ... + 827338.

It is an arithmetic number, because the mean of its divisors is an integer number (3309328).

Almost surely, 2^11582641 is an apocalyptic number.

It is an amenable number.

11582641 is a deficient number, since it is larger than the sum of its proper divisors (1654671).

11582641 is an equidigital number, since it uses as much as digits as its factorization.

11582641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654670.

The product of its digits is 1920, while the sum is 28.

The square root of 11582641 is about 3403.3279301296. The cubic root of 11582641 is about 226.2572644005.

The spelling of 11582641 in words is "eleven million, five hundred eighty-two thousand, six hundred forty-one".