13918006 has 4 divisors (see below), whose sum is σ = 20877012. Its totient is φ = 6959002.

The previous prime is 13917997. The next prime is 13918007. The reversal of 13918006 is 60081931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13918007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3479500 + ... + 3479503.

It is an arithmetic number, because the mean of its divisors is an integer number (5219253).

Almost surely, 2^13918006 is an apocalyptic number.

13918006 is a deficient number, since it is larger than the sum of its proper divisors (6959006).

13918006 is an equidigital number, since it uses as much as digits as its factorization.

13918006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959005.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 13918006 is about 3730.6843876158. The cubic root of 13918006 is about 240.5427877012.

Adding to 13918006 its reverse (60081931), we get a palindrome (73999937).

It can be divided in two parts, 139 and 18006, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 13918006 in words is "thirteen million, nine hundred eighteen thousand, six".