11899982 has 8 divisors (see below), whose sum is σ = 17941176. Its totient is φ = 5919592.

The previous prime is 11899981. The next prime is 11899991. The reversal of 11899982 is 28999811.

11899982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14708 + ... + 15495.

It is an arithmetic number, because the mean of its divisors is an integer number (2242647).

Almost surely, 2^11899982 is an apocalyptic number.

11899982 is a deficient number, since it is larger than the sum of its proper divisors (6041194).

11899982 is a wasteful number, since it uses less digits than its factorization.

11899982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30402.

The product of its digits is 93312, while the sum is 47.

The square root of 11899982 is about 3449.6350531614. The cubic root of 11899982 is about 228.3050062834.

The spelling of 11899982 in words is "eleven million, eight hundred ninety-nine thousand, nine hundred eighty-two".