12884855 has 8 divisors (see below), whose sum is σ = 15481152. Its totient is φ = 10295008.

The previous prime is 12884849. The next prime is 12884857. The reversal of 12884855 is 55848821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12884855 - 2⁶ = 12884791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12884857) 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, 6569 + ... + 8301.

It is an arithmetic number, because the mean of its divisors is an integer number (1935144).

Almost surely, 2^12884855 is an apocalyptic number.

12884855 is a deficient number, since it is larger than the sum of its proper divisors (2596297).

12884855 is a wasteful number, since it uses less digits than its factorization.

12884855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225.

The product of its digits is 102400, while the sum is 41.

The square root of 12884855 is about 3589.5480216874. The cubic root of 12884855 is about 234.4371925029.

The spelling of 12884855 in words is "twelve million, eight hundred eighty-four thousand, eight hundred fifty-five".