12888436 has 36 divisors (see below), whose sum is σ = 25621120. Its totient is φ = 5662800.

The previous prime is 12888427. The next prime is 12888437. The reversal of 12888436 is 63488821.

It is a super-2 number, since 2×12888436² = 332223565052192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12888437) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14575 + ... + 15433.

Almost surely, 2^12888436 is an apocalyptic number.

It is an amenable number.

12888436 is a deficient number, since it is larger than the sum of its proper divisors (12732684).

12888436 is a wasteful number, since it uses less digits than its factorization.

12888436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 903 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 12888436 is about 3590.0467963524. The cubic root of 12888436 is about 234.4589090019.

The spelling of 12888436 in words is "twelve million, eight hundred eighty-eight thousand, four hundred thirty-six".