13842806 has 4 divisors (see below), whose sum is σ = 20764212. Its totient is φ = 6921402.

The previous prime is 13842781. The next prime is 13842809. The reversal of 13842806 is 60824831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60824831 = 563 ⋅108037.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13842809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460700 + ... + 3460703.

It is an arithmetic number, because the mean of its divisors is an integer number (5191053).

Almost surely, 2^13842806 is an apocalyptic number.

13842806 is a deficient number, since it is larger than the sum of its proper divisors (6921406).

13842806 is an equidigital number, since it uses as much as digits as its factorization.

13842806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921405.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 13842806 is about 3720.5921571707. The cubic root of 13842806 is about 240.1087817050.

The spelling of 13842806 in words is "thirteen million, eight hundred forty-two thousand, eight hundred six".