13441818 has 16 divisors (see below), whose sum is σ = 28951776. Its totient is φ = 4135920.

The previous prime is 13441811. The next prime is 13441823. The reversal of 13441818 is 81814431.

13441818 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 a super-2 number, since 2×13441818² = 361364942290248, which contains 22 as substring.

13441818 is a modest number, since divided by 1818 gives 1344 as remainder.

It is not an unprimeable number, because it can be changed into a prime (13441811) 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, 86088 + ... + 86243.

It is an arithmetic number, because the mean of its divisors is an integer number (1809486).

Almost surely, 2^13441818 is an apocalyptic number.

13441818 is an abundant number, since it is smaller than the sum of its proper divisors (15509958).

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

13441818 is a wasteful number, since it uses less digits than its factorization.

13441818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172349.

The product of its digits is 3072, while the sum is 30.

The square root of 13441818 is about 3666.3084976581. The cubic root of 13441818 is about 237.7675979150.

The spelling of 13441818 in words is "thirteen million, four hundred forty-one thousand, eight hundred eighteen".