13238774 has 16 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 6455400.

The previous prime is 13238747. The next prime is 13238779. The reversal of 13238774 is 47783231.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13238779) 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 7 ways as a sum of consecutive naturals, for example, 17447 + ... + 18189.

It is an arithmetic number, because the mean of its divisors is an integer number (1272240).

Almost surely, 2^13238774 is an apocalyptic number.

13238774 is a deficient number, since it is larger than the sum of its proper divisors (7117066).

13238774 is a wasteful number, since it uses less digits than its factorization.

13238774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its digits is 28224, while the sum is 35.

The square root of 13238774 is about 3638.5126081958. The cubic root of 13238774 is about 236.5643274605.

The spelling of 13238774 in words is "thirteen million, two hundred thirty-eight thousand, seven hundred seventy-four".