13842786 has 16 divisors (see below), whose sum is σ = 27842400. Its totient is φ = 4588128.

The previous prime is 13842781. The next prime is 13842809. The reversal of 13842786 is 68724831.

13842786 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13842781) 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, 5371 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (1740150).

Almost surely, 2^13842786 is an apocalyptic number.

13842786 is an abundant number, since it is smaller than the sum of its proper divisors (13999614).

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

13842786 is a wasteful number, since it uses less digits than its factorization.

13842786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13073.

The product of its digits is 64512, while the sum is 39.

The square root of 13842786 is about 3720.5894694255. The cubic root of 13842786 is about 240.1086660690.

It can be divided in two parts, 138 and 42786, that added together give a palindrome (42924).

The spelling of 13842786 in words is "thirteen million, eight hundred forty-two thousand, seven hundred eighty-six".