11288912 has 20 divisors (see below), whose sum is σ = 22076340. Its totient is φ = 5591808.

The previous prime is 11288887. The next prime is 11288923. The reversal of 11288912 is 21988211.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 6431296 = 2204^2 + 2536^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (1103817).

Almost surely, 2^11288912 is an apocalyptic number.

It is an amenable number.

11288912 is a deficient number, since it is larger than the sum of its proper divisors (10787428).

11288912 is a wasteful number, since it uses less digits than its factorization.

11288912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590 (or 6584 counting only the distinct ones).

The product of its digits is 2304, while the sum is 32.

The square root of 11288912 is about 3359.8976174878. The cubic root of 11288912 is about 224.3282814099.

The spelling of 11288912 in words is "eleven million, two hundred eighty-eight thousand, nine hundred twelve".