13143388 has 12 divisors (see below), whose sum is σ = 23292640. Its totient is φ = 6488352.

The previous prime is 13143379. The next prime is 13143391. The reversal of 13143388 is 88334131.

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 in 3 ways as a sum of consecutive naturals, for example, 20481 + ... + 21112.

Almost surely, 2^13143388 is an apocalyptic number.

It is an amenable number.

13143388 is a deficient number, since it is larger than the sum of its proper divisors (10149252).

13143388 is a wasteful number, since it uses less digits than its factorization.

13143388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41676 (or 41674 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 13143388 is about 3625.3810834173. The cubic root of 13143388 is about 235.9948050183.

It can be divided in two parts, 13143 and 388, that added together give a palindrome (13531).

The spelling of 13143388 in words is "thirteen million, one hundred forty-three thousand, three hundred eighty-eight".