13774238 has 8 divisors (see below), whose sum is σ = 20793432. Its totient is φ = 6843096.

The previous prime is 13774231. The next prime is 13774247. The reversal of 13774238 is 83247731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13774198 and 13774207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13774231) 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, 21620 + ... + 22247.

It is an arithmetic number, because the mean of its divisors is an integer number (2599179).

Almost surely, 2^13774238 is an apocalyptic number.

13774238 is a deficient number, since it is larger than the sum of its proper divisors (7019194).

13774238 is a wasteful number, since it uses less digits than its factorization.

13774238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44026.

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

The square root of 13774238 is about 3711.3660557805. The cubic root of 13774238 is about 239.7116792314.

The spelling of 13774238 in words is "thirteen million, seven hundred seventy-four thousand, two hundred thirty-eight".