12743888 has 10 divisors (see below), whose sum is σ = 24691314. Its totient is φ = 6371936.

The previous prime is 12743879. The next prime is 12743911. The reversal of 12743888 is 88834721.

It can be written as a sum of positive squares in only one way, i.e., 11235904 + 1507984 = 3352^2 + 1228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398231 + ... + 398262.

Almost surely, 2^12743888 is an apocalyptic number.

It is an amenable number.

12743888 is a deficient number, since it is larger than the sum of its proper divisors (11947426).

12743888 is an equidigital number, since it uses as much as digits as its factorization.

12743888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796501 (or 796495 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 12743888 is about 3569.8582604916. The cubic root of 12743888 is about 233.5791006823.

It can be divided in two parts, 12743 and 888, that added together give a palindrome (13631).

The spelling of 12743888 in words is "twelve million, seven hundred forty-three thousand, eight hundred eighty-eight".