11312788 has 6 divisors (see below), whose sum is σ = 19797386. Its totient is φ = 5656392.

The previous prime is 11312731. The next prime is 11312801. The reversal of 11312788 is 88721311.

It is a happy number.

11312788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11209104 + 103684 = 3348^2 + 322^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414095 + ... + 1414102.

Almost surely, 2^11312788 is an apocalyptic number.

It is an amenable number.

11312788 is a deficient number, since it is larger than the sum of its proper divisors (8484598).

11312788 is a wasteful number, since it uses less digits than its factorization.

11312788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828201 (or 2828199 counting only the distinct ones).

The product of its digits is 2688, while the sum is 31.

The square root of 11312788 is about 3363.4488252388. The cubic root of 11312788 is about 224.4863211590.

It can be divided in two parts, 11312 and 788, that added together give a square (12100 = 110²).

The spelling of 11312788 in words is "eleven million, three hundred twelve thousand, seven hundred eighty-eight".