12144886 has 16 divisors (see below), whose sum is σ = 19707408. Its totient is φ = 5580000.

The previous prime is 12144863. The next prime is 12144893. The reversal of 12144886 is 68844121.

It is a super-3 number, since 3×12144886³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5596 + ... + 7456.

It is an arithmetic number, because the mean of its divisors is an integer number (1231713).

Almost surely, 2^12144886 is an apocalyptic number.

12144886 is a deficient number, since it is larger than the sum of its proper divisors (7562522).

12144886 is a wasteful number, since it uses less digits than its factorization.

12144886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its digits is 12288, while the sum is 34.

The square root of 12144886 is about 3484.9513626448. The cubic root of 12144886 is about 229.8605708177.

The spelling of 12144886 in words is "twelve million, one hundred forty-four thousand, eight hundred eighty-six".