13197814 has 32 divisors (see below), whose sum is σ = 25007616. Its totient is φ = 5089920.

The previous prime is 13197803. The next prime is 13197817. The reversal of 13197814 is 41879131.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 13197814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13197817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4269 + ... + 6679.

It is an arithmetic number, because the mean of its divisors is an integer number (781488).

Almost surely, 2^13197814 is an apocalyptic number.

13197814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13197814 is a deficient number, since it is larger than the sum of its proper divisors (11809802).

13197814 is a wasteful number, since it uses less digits than its factorization.

13197814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its digits is 6048, while the sum is 34.

The square root of 13197814 is about 3632.8795741120. The cubic root of 13197814 is about 236.3201033059.

The spelling of 13197814 in words is "thirteen million, one hundred ninety-seven thousand, eight hundred fourteen".