13423818 has 16 divisors (see below), whose sum is σ = 26883936. Its totient is φ = 4468560.

The previous prime is 13423793. The next prime is 13423831. The reversal of 13423818 is 81832431.

13423818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880 + ... + 8612.

It is an arithmetic number, because the mean of its divisors is an integer number (1680246).

Almost surely, 2^13423818 is an apocalyptic number.

13423818 is an abundant number, since it is smaller than the sum of its proper divisors (13460118).

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

13423818 is a wasteful number, since it uses less digits than its factorization.

13423818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its digits is 4608, while the sum is 30.

The square root of 13423818 is about 3663.8528900599. The cubic root of 13423818 is about 237.6614186130.

It can be divided in two parts, 13423 and 818, that added together give a palindrome (14241).

The spelling of 13423818 in words is "thirteen million, four hundred twenty-three thousand, eight hundred eighteen".