11288412 has 18 divisors (see below), whose sum is σ = 28534688. Its totient is φ = 3762792.

The previous prime is 11288383. The next prime is 11288429. The reversal of 11288412 is 21488211.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156748 + ... + 156819.

Almost surely, 2^11288412 is an apocalyptic number.

11288412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11288412 is an abundant number, since it is smaller than the sum of its proper divisors (17246276).

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

11288412 is a wasteful number, since it uses less digits than its factorization.

11288412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313577 (or 313572 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 11288412 is about 3359.8232096347. The cubic root of 11288412 is about 224.3249694345.

It can be divided in two parts, 112884 and 12, that added together give a square (112896 = 336²).

The spelling of 11288412 in words is "eleven million, two hundred eighty-eight thousand, four hundred twelve".