11431264 has 24 divisors (see below), whose sum is σ = 24237360. Its totient is φ = 5275776.

The previous prime is 11431247. The next prime is 11431267. The reversal of 11431264 is 46213411.

11431264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431267) 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, 13324 + ... + 14155.

It is an arithmetic number, because the mean of its divisors is an integer number (1009890).

Almost surely, 2^11431264 is an apocalyptic number.

It is an amenable number.

11431264 is an abundant number, since it is smaller than the sum of its proper divisors (12806096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431264 is a wasteful number, since it uses less digits than its factorization.

11431264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502 (or 27494 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 11431264 is about 3381.0152321455. The cubic root of 11431264 is about 225.2672642997.

Adding to 11431264 its reverse (46213411), we get a palindrome (57644675).

The spelling of 11431264 in words is "eleven million, four hundred thirty-one thousand, two hundred sixty-four".