13748686 has 32 divisors (see below), whose sum is σ = 24698880. Its totient is φ = 5616000.

The previous prime is 13748681. The next prime is 13748689. The reversal of 13748686 is 68684731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13748681) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 34086 + ... + 34486.

It is an arithmetic number, because the mean of its divisors is an integer number (771840).

Almost surely, 2^13748686 is an apocalyptic number.

13748686 is a deficient number, since it is larger than the sum of its proper divisors (10950194).

13748686 is a wasteful number, since it uses less digits than its factorization.

13748686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its digits is 193536, while the sum is 43.

The square root of 13748686 is about 3707.9220595908. The cubic root of 13748686 is about 239.5633611849.

The spelling of 13748686 in words is "thirteen million, seven hundred forty-eight thousand, six hundred eighty-six".