12889884 has 48 divisors (see below), whose sum is σ = 34610688. Its totient is φ = 3657408.

The previous prime is 12889883. The next prime is 12889889. The reversal of 12889884 is 48898821.

12889884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12889884² = 332298219066912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14089 + ... + 14975.

It is an arithmetic number, because the mean of its divisors is an integer number (721056).

Almost surely, 2^12889884 is an apocalyptic number.

12889884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12889884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17305344).

12889884 is an abundant number, since it is smaller than the sum of its proper divisors (21720804).

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

12889884 is a wasteful number, since it uses less digits than its factorization.

12889884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1072 counting only the distinct ones).

The product of its digits is 294912, while the sum is 48.

The square root of 12889884 is about 3590.2484593688. The cubic root of 12889884 is about 234.4676890636.

The spelling of 12889884 in words is "twelve million, eight hundred eighty-nine thousand, eight hundred eighty-four".