13823426 has 12 divisors (see below), whose sum is σ = 21039282. Its totient is φ = 6811776.

The previous prime is 13823417. The next prime is 13823429. The reversal of 13823426 is 62432831.

It can be written as a sum of positive squares in 3 ways, for example, as 13801225 + 22201 = 3715^2 + 149^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13823429) 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 5 ways as a sum of consecutive naturals, for example, 10010 + ... + 11306.

Almost surely, 2^13823426 is an apocalyptic number.

13823426 is a deficient number, since it is larger than the sum of its proper divisors (7215856).

13823426 is an equidigital number, since it uses as much as digits as its factorization.

13823426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1372 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 13823426 is about 3717.9868208481. The cubic root of 13823426 is about 239.9966781948.

The spelling of 13823426 in words is "thirteen million, eight hundred twenty-three thousand, four hundred twenty-six".