13827786 has 16 divisors (see below), whose sum is σ = 31606464. Its totient is φ = 3950784.

The previous prime is 13827769. The next prime is 13827787. The reversal of 13827786 is 68772831.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 329233 = 13827786 / (1 + 3 + 8 + 2 + 7 + 7 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (13827787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164575 + ... + 164658.

It is an arithmetic number, because the mean of its divisors is an integer number (1975404).

Almost surely, 2^13827786 is an apocalyptic number.

13827786 is an abundant number, since it is smaller than the sum of its proper divisors (17778678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13827786 is a wasteful number, since it uses less digits than its factorization.

13827786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329245.

The product of its digits is 112896, while the sum is 42.

The square root of 13827786 is about 3718.5731134402. The cubic root of 13827786 is about 240.0219077224.

The spelling of 13827786 in words is "thirteen million, eight hundred twenty-seven thousand, seven hundred eighty-six".