13681826 has 16 divisors (see below), whose sum is σ = 21916224. Its totient is φ = 6390384.

The previous prime is 13681813. The next prime is 13681853. The reversal of 13681826 is 62818631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (1369764).

Almost surely, 2^13681826 is an apocalyptic number.

13681826 is a deficient number, since it is larger than the sum of its proper divisors (8234398).

13681826 is a wasteful number, since it uses less digits than its factorization.

13681826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985.

The product of its digits is 13824, while the sum is 35.

The square root of 13681826 is about 3698.8952404738. The cubic root of 13681826 is about 239.1743969681.

The spelling of 13681826 in words is "thirteen million, six hundred eighty-one thousand, eight hundred twenty-six".