13340197 has 6 divisors (see below), whose sum is σ = 14380562. Its totient is φ = 12301872.

The previous prime is 13340179. The next prime is 13340209. The reversal of 13340197 is 79104331.

13340197 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 3 ways, for example, as 3568321 + 9771876 = 1889^2 + 3126^2 .

It is not a de Polignac number, because 13340197 - 2²³ = 4951589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12663 + ... + 13675.

Almost surely, 2^13340197 is an apocalyptic number.

It is an amenable number.

13340197 is a deficient number, since it is larger than the sum of its proper divisors (1040365).

13340197 is an frugal number, since it uses more digits than its factorization.

13340197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13340197 is about 3652.4234420450. The cubic root of 13340197 is about 237.1669022028.

The spelling of 13340197 in words is "thirteen million, three hundred forty thousand, one hundred ninety-seven".