14308397 has 4 divisors (see below), whose sum is σ = 14801820. Its totient is φ = 13814976.

The previous prime is 14308331. The next prime is 14308403. The reversal of 14308397 is 79380341.

14308397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8128201 + 6180196 = 2851^2 + 2486^2 .

It is a cyclic number.

It is not a de Polignac number, because 14308397 - 2⁸ = 14308141 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 (14308597) 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, 246668 + ... + 246725.

It is an arithmetic number, because the mean of its divisors is an integer number (3700455).

Almost surely, 2^14308397 is an apocalyptic number.

It is an amenable number.

14308397 is a deficient number, since it is larger than the sum of its proper divisors (493423).

14308397 is an equidigital number, since it uses as much as digits as its factorization.

14308397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493422.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 14308397 is about 3782.6441809930. The cubic root of 14308397 is about 242.7711043220.

The spelling of 14308397 in words is "fourteen million, three hundred eight thousand, three hundred ninety-seven".