12888884 has 6 divisors (see below), whose sum is σ = 22555554. Its totient is φ = 6444440.

The previous prime is 12888853. The next prime is 12888917. The reversal of 12888884 is 48888821.

It can be written as a sum of positive squares in only one way, i.e., 12888100 + 784 = 3590^2 + 28^2 .

It is a super-2 number, since 2×12888884² = 332246661530912, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1611107 + ... + 1611114.

It is an arithmetic number, because the mean of its divisors is an integer number (3759259).

Almost surely, 2^12888884 is an apocalyptic number.

It is an amenable number.

12888884 is a deficient number, since it is larger than the sum of its proper divisors (9666670).

12888884 is a wasteful number, since it uses less digits than its factorization.

12888884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222225 (or 3222223 counting only the distinct ones).

The product of its digits is 262144, while the sum is 47.

The square root of 12888884 is about 3590.1091905400. The cubic root of 12888884 is about 234.4616255553.

The spelling of 12888884 in words is "twelve million, eight hundred eighty-eight thousand, eight hundred eighty-four".