13369818 has 64 divisors (see below), whose sum is σ = 34163712. Its totient is φ = 3386880.

The previous prime is 13369817. The next prime is 13369819. The reversal of 13369818 is 81896331.

It is an interprime number because it is at equal distance from previous prime (13369817) and next prime (13369819).

It is not an unprimeable number, because it can be changed into a prime (13369817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19530 + ... + 20202.

It is an arithmetic number, because the mean of its divisors is an integer number (533808).

Almost surely, 2^13369818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13369818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17081856).

13369818 is an abundant number, since it is smaller than the sum of its proper divisors (20793894).

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

13369818 is a wasteful number, since it uses less digits than its factorization.

13369818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 31104, while the sum is 39.

The square root of 13369818 is about 3656.4761724918. The cubic root of 13369818 is about 237.3423100976.

The spelling of 13369818 in words is "thirteen million, three hundred sixty-nine thousand, eight hundred eighteen".