11909882 has 16 divisors (see below), whose sum is σ = 18522240. Its totient is φ = 5739552.

The previous prime is 11909879. The next prime is 11909897. The reversal of 11909882 is 28890911.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5918 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (1157640).

Almost surely, 2^11909882 is an apocalyptic number.

11909882 is a deficient number, since it is larger than the sum of its proper divisors (6612358).

11909882 is a wasteful number, since it uses less digits than its factorization.

11909882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 11909882 is about 3451.0696892413. The cubic root of 11909882 is about 228.3683003026.

The spelling of 11909882 in words is "eleven million, nine hundred nine thousand, eight hundred eighty-two".