12884811 has 8 divisors (see below), whose sum is σ = 17210064. Its totient is φ = 8574720.

The previous prime is 12884803. The next prime is 12884813. The reversal of 12884811 is 11848821.

12884811 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12884811 - 2³ = 12884803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12884813) 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, 1630 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (2151258).

Almost surely, 2^12884811 is an apocalyptic number.

12884811 is a deficient number, since it is larger than the sum of its proper divisors (4325253).

12884811 is an equidigital number, since it uses as much as digits as its factorization.

12884811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7581.

The product of its digits is 4096, while the sum is 33.

The square root of 12884811 is about 3589.5418927768. The cubic root of 12884811 is about 234.4369256457.

It can be divided in two parts, 12884 and 811, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 12884811 in words is "twelve million, eight hundred eighty-four thousand, eight hundred eleven".