13388023 has 4 divisors (see below), whose sum is σ = 14605128. Its totient is φ = 12170920.

The previous prime is 13388021. The next prime is 13388029. The reversal of 13388023 is 32088331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13388023 - 2¹ = 13388021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13387982 and 13388000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608536 + ... + 608557.

It is an arithmetic number, because the mean of its divisors is an integer number (3651282).

Almost surely, 2^13388023 is an apocalyptic number.

13388023 is a deficient number, since it is larger than the sum of its proper divisors (1217105).

13388023 is a wasteful number, since it uses less digits than its factorization.

13388023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217104.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13388023 is about 3658.9647442959. The cubic root of 13388023 is about 237.4499868835.

It can be divided in two parts, 133880 and 23, that added together give a triangular number (133903 = T₅₁₇).

The spelling of 13388023 in words is "thirteen million, three hundred eighty-eight thousand, twenty-three".