12889662 has 32 divisors (see below), whose sum is σ = 26659584. Its totient is φ = 4152000.

The previous prime is 12889649. The next prime is 12889663. The reversal of 12889662 is 26698821.

It is a super-2 number, since 2×12889662² = 332286772948488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36973 + ... + 37319.

It is an arithmetic number, because the mean of its divisors is an integer number (833112).

Almost surely, 2^12889662 is an apocalyptic number.

12889662 is an abundant number, since it is smaller than the sum of its proper divisors (13769922).

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

12889662 is a wasteful number, since it uses less digits than its factorization.

12889662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its digits is 82944, while the sum is 42.

The square root of 12889662 is about 3590.2175421553. The cubic root of 12889662 is about 234.4663429918.

The spelling of 12889662 in words is "twelve million, eight hundred eighty-nine thousand, six hundred sixty-two".