13688446 has 16 divisors (see below), whose sum is σ = 21316176. Its totient is φ = 6587136.

The previous prime is 13688431. The next prime is 13688471. The reversal of 13688446 is 64488631.

It is a junction number, because it is equal to n+sod(n) for n = 13688399 and 13688408.

It is a congruent number.

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, 6225 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (1332261).

Almost surely, 2^13688446 is an apocalyptic number.

13688446 is a deficient number, since it is larger than the sum of its proper divisors (7627730).

13688446 is a wasteful number, since it uses less digits than its factorization.

13688446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its digits is 110592, while the sum is 40.

The square root of 13688446 is about 3699.7899940402. The cubic root of 13688446 is about 239.2129658747.

The spelling of 13688446 in words is "thirteen million, six hundred eighty-eight thousand, four hundred forty-six".