12029886 has 24 divisors (see below), whose sum is σ = 28434744. Its totient is φ = 3645360.

The previous prime is 12029881. The next prime is 12029911. The reversal of 12029886 is 68892021.

It is a self number, because there is not a number n which added to its sum of digits gives 12029886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12029881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30181 + ... + 30576.

It is an arithmetic number, because the mean of its divisors is an integer number (1184781).

Almost surely, 2^12029886 is an apocalyptic number.

12029886 is an abundant number, since it is smaller than the sum of its proper divisors (16404858).

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

12029886 is a wasteful number, since it uses less digits than its factorization.

12029886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60776 (or 60773 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 12029886 is about 3468.4126052129. The cubic root of 12029886 is about 229.1327516679.

The spelling of 12029886 in words is "twelve million, twenty-nine thousand, eight hundred eighty-six".