11427764 has 12 divisors (see below), whose sum is σ = 20205444. Its totient is φ = 5654784.

The previous prime is 11427763. The next prime is 11427781. The reversal of 11427764 is 46772411.

It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 6100900 = 2308^2 + 2470^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11427764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427761) 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, 14339 + ... + 15114.

It is an arithmetic number, because the mean of its divisors is an integer number (1683787).

Almost surely, 2^11427764 is an apocalyptic number.

It is an amenable number.

11427764 is a deficient number, since it is larger than the sum of its proper divisors (8777680).

11427764 is a wasteful number, since it uses less digits than its factorization.

11427764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29554 (or 29552 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 11427764 is about 3380.4975965085. The cubic root of 11427764 is about 225.2442713363.

The spelling of 11427764 in words is "eleven million, four hundred twenty-seven thousand, seven hundred sixty-four".