13830397 has 6 divisors (see below), whose sum is σ = 16088478. Its totient is φ = 11854584.

The previous prime is 13830389. The next prime is 13830413. The reversal of 13830397 is 79303831.

It can be written as a sum of positive squares in only one way, i.e., 11909401 + 1920996 = 3451^2 + 1386^2 .

It is not a de Polignac number, because 13830397 - 2³ = 13830389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13830497) 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 5 ways as a sum of consecutive naturals, for example, 141078 + ... + 141175.

It is an arithmetic number, because the mean of its divisors is an integer number (2681413).

Almost surely, 2^13830397 is an apocalyptic number.

It is an amenable number.

13830397 is a deficient number, since it is larger than the sum of its proper divisors (2258081).

13830397 is an equidigital number, since it uses as much as digits as its factorization.

13830397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282267 (or 282260 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 13830397 is about 3718.9241723918. The cubic root of 13830397 is about 240.0370139672.

The spelling of 13830397 in words is "thirteen million, eight hundred thirty thousand, three hundred ninety-seven".