11432689 has 4 divisors (see below), whose sum is σ = 11441124. Its totient is φ = 11424256.

The previous prime is 11432651. The next prime is 11432693. The reversal of 11432689 is 98623411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 2480625 = 2992^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 11432689 - 2²¹ = 9335537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11432639) 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, 1672 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (2860281).

Almost surely, 2^11432689 is an apocalyptic number.

It is an amenable number.

11432689 is a deficient number, since it is larger than the sum of its proper divisors (8435).

11432689 is an equidigital number, since it uses as much as digits as its factorization.

11432689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434.

The product of its digits is 10368, while the sum is 34.

The square root of 11432689 is about 3381.2259610975. The cubic root of 11432689 is about 225.2766243761.

It can be divided in two parts, 11432 and 689, that added together give a palindrome (12121).

The spelling of 11432689 in words is "eleven million, four hundred thirty-two thousand, six hundred eighty-nine".