11985902 has 16 divisors (see below), whose sum is σ = 18759552. Its totient is φ = 5736960.

The previous prime is 11985889. The next prime is 11985907. The reversal of 11985902 is 20958911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11985907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018 + ... + 7010.

It is an arithmetic number, because the mean of its divisors is an integer number (1172472).

Almost surely, 2^11985902 is an apocalyptic number.

11985902 is a deficient number, since it is larger than the sum of its proper divisors (6773650).

11985902 is a wasteful number, since it uses less digits than its factorization.

11985902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 11985902 is about 3462.0661461041. The cubic root of 11985902 is about 228.8531568139.

The spelling of 11985902 in words is "eleven million, nine hundred eighty-five thousand, nine hundred two".