11208906 has 48 divisors (see below), whose sum is σ = 25482600. Its totient is φ = 3556224.

The previous prime is 11208859. The next prime is 11208913. The reversal of 11208906 is 60980211.

It can be written as a sum of positive squares in 4 ways, for example, as 11189025 + 19881 = 3345^2 + 141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11208906.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56800 + ... + 56996.

Almost surely, 2^11208906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11208906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12741300).

11208906 is an abundant number, since it is smaller than the sum of its proper divisors (14273694).

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

11208906 is a wasteful number, since it uses less digits than its factorization.

11208906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11208906 is about 3347.9704299769. The cubic root of 11208906 is about 223.7970765358.

The spelling of 11208906 in words is "eleven million, two hundred eight thousand, nine hundred six".