13253418 has 24 divisors (see below), whose sum is σ = 28789956. Its totient is φ = 4406400.

The previous prime is 13253407. The next prime is 13253423. The reversal of 13253418 is 81435231.

It is a happy number.

13253418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 700569 = 3543^2 + 837^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13253391 and 13253400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9058 + ... + 10418.

Almost surely, 2^13253418 is an apocalyptic number.

13253418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13253418 is an abundant number, since it is smaller than the sum of its proper divisors (15536538).

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

13253418 is a wasteful number, since it uses less digits than its factorization.

13253418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1907 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13253418 is about 3640.5244127735. The cubic root of 13253418 is about 236.6515201133.

Adding to 13253418 its reverse (81435231), we get a palindrome (94688649).

The spelling of 13253418 in words is "thirteen million, two hundred fifty-three thousand, four hundred eighteen".