11239808 has 16 divisors (see below), whose sum is σ = 22392060. Its totient is φ = 5619840.

The previous prime is 11239807. The next prime is 11239841. The reversal of 11239808 is 80893211.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11239807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43778 + ... + 44033.

Almost surely, 2^11239808 is an apocalyptic number.

It is an amenable number.

11239808 is a deficient number, since it is larger than the sum of its proper divisors (11152252).

11239808 is an frugal number, since it uses more digits than its factorization.

11239808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87825 (or 87813 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 11239808 is about 3352.5822883264. The cubic root of 11239808 is about 224.0025509914.

The spelling of 11239808 in words is "eleven million, two hundred thirty-nine thousand, eight hundred eight".