14157397 has 4 divisors (see below), whose sum is σ = 14772960. Its totient is φ = 13541836.

The previous prime is 14157391. The next prime is 14157433. The reversal of 14157397 is 79375141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14157397 - 2³ = 14157389 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 (14157391) 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, 307747 + ... + 307792.

It is an arithmetic number, because the mean of its divisors is an integer number (3693240).

Almost surely, 2^14157397 is an apocalyptic number.

It is an amenable number.

14157397 is a deficient number, since it is larger than the sum of its proper divisors (615563).

14157397 is an equidigital number, since it uses as much as digits as its factorization.

14157397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615562.

The product of its digits is 26460, while the sum is 37.

The square root of 14157397 is about 3762.6316588260. The cubic root of 14157397 is about 241.9140748610.

The spelling of 14157397 in words is "fourteen million, one hundred fifty-seven thousand, three hundred ninety-seven".