14197539 has 4 divisors (see below), whose sum is σ = 18930056. Its totient is φ = 9465024.

The previous prime is 14197531. The next prime is 14197543. The reversal of 14197539 is 93579141.

It is a happy number.

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

It is not a de Polignac number, because 14197539 - 2³ = 14197531 is a prime.

It is a super-2 number, since 2×14197539² = 403140227313042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14197497 and 14197506.

It is not an unprimeable number, because it can be changed into a prime (14197531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366254 + ... + 2366259.

It is an arithmetic number, because the mean of its divisors is an integer number (4732514).

Almost surely, 2^14197539 is an apocalyptic number.

14197539 is a deficient number, since it is larger than the sum of its proper divisors (4732517).

14197539 is an equidigital number, since it uses as much as digits as its factorization.

14197539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732516.

The product of its digits is 34020, while the sum is 39.

The square root of 14197539 is about 3767.9621813389. The cubic root of 14197539 is about 242.1425008230.

The spelling of 14197539 in words is "fourteen million, one hundred ninety-seven thousand, five hundred thirty-nine".