13388834 has 4 divisors (see below), whose sum is σ = 20083254. Its totient is φ = 6694416.

The previous prime is 13388833. The next prime is 13388839. The reversal of 13388834 is 43888331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43888331 = 2473 ⋅17747.

It can be written as a sum of positive squares in only one way, i.e., 11242609 + 2146225 = 3353^2 + 1465^2 .

It is not an unprimeable number, because it can be changed into a prime (13388831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347207 + ... + 3347210.

Almost surely, 2^13388834 is an apocalyptic number.

13388834 is a deficient number, since it is larger than the sum of its proper divisors (6694420).

13388834 is an equidigital number, since it uses as much as digits as its factorization.

13388834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694419.

The product of its digits is 55296, while the sum is 38.

The square root of 13388834 is about 3659.0755663145. The cubic root of 13388834 is about 237.4547814189.

The spelling of 13388834 in words is "thirteen million, three hundred eighty-eight thousand, eight hundred thirty-four".