11243816 has 8 divisors (see below), whose sum is σ = 21082170. Its totient is φ = 5621904.

The previous prime is 11243809. The next prime is 11243821. The reversal of 11243816 is 61834211.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 21316 = 3350^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702731 + ... + 702746.

Almost surely, 2^11243816 is an apocalyptic number.

It is an amenable number.

11243816 is a deficient number, since it is larger than the sum of its proper divisors (9838354).

11243816 is a wasteful number, since it uses less digits than its factorization.

11243816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405483 (or 1405479 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 11243816 is about 3353.1799832398. The cubic root of 11243816 is about 224.0291734962.

The spelling of 11243816 in words is "eleven million, two hundred forty-three thousand, eight hundred sixteen".