11731264 has 14 divisors (see below), whose sum is σ = 23279354. Its totient is φ = 5865600.

The previous prime is 11731261. The next prime is 11731267. The reversal of 11731264 is 46213711.

11731264 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (11731261) and next prime (11731267).

It can be written as a sum of positive squares in only one way, i.e., 10291264 + 1440000 = 3208^2 + 1200^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91587 + ... + 91714.

It is an arithmetic number, because the mean of its divisors is an integer number (1662811).

Almost surely, 2^11731264 is an apocalyptic number.

It is an amenable number.

11731264 is a deficient number, since it is larger than the sum of its proper divisors (11548090).

11731264 is an equidigital number, since it uses as much as digits as its factorization.

11731264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183313 (or 183303 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 11731264 is about 3425.0932834012. The cubic root of 11731264 is about 227.2208967092.

Adding to 11731264 its reverse (46213711), we get a palindrome (57944975).

The spelling of 11731264 in words is "eleven million, seven hundred thirty-one thousand, two hundred sixty-four".