13388823 has 18 divisors (see below), whose sum is σ = 22150232. Its totient is φ = 7634160.

The previous prime is 13388801. The next prime is 13388831. The reversal of 13388823 is 32888331.

It is not a de Polignac number, because 13388823 - 2¹⁶ = 13323287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388833) 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 17 ways as a sum of consecutive naturals, for example, 28813 + ... + 29273.

Almost surely, 2^13388823 is an apocalyptic number.

13388823 is a deficient number, since it is larger than the sum of its proper divisors (8761409).

13388823 is an frugal number, since it uses more digits than its factorization.

13388823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 471 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 13388823 is about 3659.0740632023. The cubic root of 13388823 is about 237.4547163895.

The spelling of 13388823 in words is "thirteen million, three hundred eighty-eight thousand, eight hundred twenty-three".