13397869 has 8 divisors (see below), whose sum is σ = 14143040. Its totient is φ = 12656736.

The previous prime is 13397863. The next prime is 13397893. The reversal of 13397869 is 96879331.

13397869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13397869 - 2³ = 13397861 is a prime.

It is a super-2 number, since 2×13397869² = 359005787482322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13397861) 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, 7912 + ... + 9454.

It is an arithmetic number, because the mean of its divisors is an integer number (1767880).

Almost surely, 2^13397869 is an apocalyptic number.

13397869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13397869 is a deficient number, since it is larger than the sum of its proper divisors (745171).

13397869 is a wasteful number, since it uses less digits than its factorization.

13397869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its digits is 244944, while the sum is 46.

The square root of 13397869 is about 3660.3099595526. The cubic root of 13397869 is about 237.5081821743.

The spelling of 13397869 in words is "thirteen million, three hundred ninety-seven thousand, eight hundred sixty-nine".