13742786 has 8 divisors (see below), whose sum is σ = 20647440. Its totient is φ = 6860308.

The previous prime is 13742777. The next prime is 13742803. The reversal of 13742786 is 68724731.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3896 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (2580930).

Almost surely, 2^13742786 is an apocalyptic number.

13742786 is a deficient number, since it is larger than the sum of its proper divisors (6904654).

13742786 is a wasteful number, since it uses less digits than its factorization.

13742786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088.

The product of its digits is 56448, while the sum is 38.

The square root of 13742786 is about 3707.1263803653. The cubic root of 13742786 is about 239.5290881870.

The spelling of 13742786 in words is "thirteen million, seven hundred forty-two thousand, seven hundred eighty-six".