14307397 has 4 divisors (see below), whose sum is σ = 15407980. Its totient is φ = 13206816.

The previous prime is 14307383. The next prime is 14307413. The reversal of 14307397 is 79370341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79370341 = 2207 ⋅35963.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 13586596 = 849^2 + 3686^2 .

It is a cyclic number.

It is not a de Polignac number, because 14307397 - 2¹¹ = 14305349 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 (14307497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550272 + ... + 550297.

It is an arithmetic number, because the mean of its divisors is an integer number (3851995).

Almost surely, 2^14307397 is an apocalyptic number.

It is an amenable number.

14307397 is a deficient number, since it is larger than the sum of its proper divisors (1100583).

14307397 is a wasteful number, since it uses less digits than its factorization.

14307397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100582.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 14307397 is about 3782.5119960153. The cubic root of 14307397 is about 242.7654485112.

The spelling of 14307397 in words is "fourteen million, three hundred seven thousand, three hundred ninety-seven".