13486646 has 4 divisors (see below), whose sum is σ = 20229972. Its totient is φ = 6743322.

The previous prime is 13486639. The next prime is 13486657. The reversal of 13486646 is 64668431.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3371660 + ... + 3371663.

It is an arithmetic number, because the mean of its divisors is an integer number (5057493).

Almost surely, 2^13486646 is an apocalyptic number.

13486646 is a deficient number, since it is larger than the sum of its proper divisors (6743326).

13486646 is an equidigital number, since it uses as much as digits as its factorization.

13486646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743325.

The product of its digits is 82944, while the sum is 38.

The square root of 13486646 is about 3672.4169153297. The cubic root of 13486646 is about 238.0316202133.

The spelling of 13486646 in words is "thirteen million, four hundred eighty-six thousand, six hundred forty-six".