13839226 has 4 divisors (see below), whose sum is σ = 20758842. Its totient is φ = 6919612.

The previous prime is 13839191. The next prime is 13839229. The reversal of 13839226 is 62293831.

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: 62293831 = 17 ⋅3664343.

It can be written as a sum of positive squares in only one way, i.e., 9616201 + 4223025 = 3101^2 + 2055^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13839191 and 13839200.

It is not an unprimeable number, because it can be changed into a prime (13839229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459805 + ... + 3459808.

Almost surely, 2^13839226 is an apocalyptic number.

13839226 is a deficient number, since it is larger than the sum of its proper divisors (6919616).

13839226 is an equidigital number, since it uses as much as digits as its factorization.

13839226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919615.

The product of its digits is 15552, while the sum is 34.

The square root of 13839226 is about 3720.1110198487. Note that the first 3 decimals coincide. The cubic root of 13839226 is about 240.0880810958.

It can be divided in two parts, 1383 and 9226, that added together give a square (10609 = 103²).

The spelling of 13839226 in words is "thirteen million, eight hundred thirty-nine thousand, two hundred twenty-six".