13813426 has 16 divisors (see below), whose sum is σ = 22781088. Its totient is φ = 6229600.

The previous prime is 13813421. The next prime is 13813439. The reversal of 13813426 is 62431831.

13813426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13813394 and 13813403.

It is not an unprimeable number, because it can be changed into a prime (13813421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 5278.

It is an arithmetic number, because the mean of its divisors is an integer number (1423818).

Almost surely, 2^13813426 is an apocalyptic number.

13813426 is a deficient number, since it is larger than the sum of its proper divisors (8967662).

13813426 is a wasteful number, since it uses less digits than its factorization.

13813426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937.

The product of its digits is 3456, while the sum is 28.

The square root of 13813426 is about 3716.6417637432. The cubic root of 13813426 is about 239.9387922618.

The spelling of 13813426 in words is "thirteen million, eight hundred thirteen thousand, four hundred twenty-six".