13683426 has 16 divisors (see below), whose sum is σ = 27410400. Its totient is φ = 4553888.

The previous prime is 13683409. The next prime is 13683433. The reversal of 13683426 is 62438631.

It is a super-2 number, since 2×13683426² = 374472294194952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 3445 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (1713150).

Almost surely, 2^13683426 is an apocalyptic number.

13683426 is an abundant number, since it is smaller than the sum of its proper divisors (13726974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13683426 is a wasteful number, since it uses less digits than its factorization.

13683426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its digits is 20736, while the sum is 33.

The square root of 13683426 is about 3699.1115149452. Note that the first 3 decimals coincide. The cubic root of 13683426 is about 239.1837198981.

The spelling of 13683426 in words is "thirteen million, six hundred eighty-three thousand, four hundred twenty-six".