11232989 has 4 divisors (see below), whose sum is σ = 11256000. Its totient is φ = 11209980.

The previous prime is 11232983. The next prime is 11232997. The reversal of 11232989 is 98923211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98923211 = 3989 ⋅24799.

It is a cyclic number.

It is not a de Polignac number, because 11232989 - 2⁴ = 11232973 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 (11232983) 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, 10757 + ... + 11754.

It is an arithmetic number, because the mean of its divisors is an integer number (2814000).

Almost surely, 2^11232989 is an apocalyptic number.

It is an amenable number.

11232989 is a deficient number, since it is larger than the sum of its proper divisors (23011).

11232989 is an equidigital number, since it uses as much as digits as its factorization.

11232989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23010.

The product of its digits is 7776, while the sum is 35.

The square root of 11232989 is about 3351.5651567589. The cubic root of 11232989 is about 223.9572423171.

It can be divided in two parts, 11232 and 989, that added together give a palindrome (12221).

The spelling of 11232989 in words is "eleven million, two hundred thirty-two thousand, nine hundred eighty-nine".