12888845 has 8 divisors (see below), whose sum is σ = 15729120. Its totient is φ = 10136080.

The previous prime is 12888803. The next prime is 12888851. The reversal of 12888845 is 54888821.

It is a happy number.

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

It is not a de Polignac number, because 12888845 - 2¹² = 12884749 is a prime.

It is a super-2 number, since 2×12888845² = 332244650868050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12888796 and 12888805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21551 + ... + 22140.

It is an arithmetic number, because the mean of its divisors is an integer number (1966140).

Almost surely, 2^12888845 is an apocalyptic number.

It is an amenable number.

12888845 is a deficient number, since it is larger than the sum of its proper divisors (2840275).

12888845 is an equidigital number, since it uses as much as digits as its factorization.

12888845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43755.

The product of its digits is 163840, while the sum is 44.

The square root of 12888845 is about 3590.1037589463. The cubic root of 12888845 is about 234.4613890722.

The spelling of 12888845 in words is "twelve million, eight hundred eighty-eight thousand, eight hundred forty-five".