11257764 has 48 divisors (see below), whose sum is σ = 31331328. Its totient is φ = 3076128.

The previous prime is 11257759. The next prime is 11257781. The reversal of 11257764 is 46775211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982 + ... + 4845.

It is an arithmetic number, because the mean of its divisors is an integer number (652736).

Almost surely, 2^11257764 is an apocalyptic number.

11257764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11257764 is an abundant number, since it is smaller than the sum of its proper divisors (20073564).

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

11257764 is a wasteful number, since it uses less digits than its factorization.

11257764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864 (or 5862 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 11257764 is about 3355.2591554156. The cubic root of 11257764 is about 224.1217715878.

It can be divided in two parts, 11257 and 764, that added together give a palindrome (12021).

The spelling of 11257764 in words is "eleven million, two hundred fifty-seven thousand, seven hundred sixty-four".