14209057 has 4 divisors (see below), whose sum is σ = 14218416. Its totient is φ = 14199700.

The previous prime is 14209051. The next prime is 14209081. The reversal of 14209057 is 75090241.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14209057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14209051) 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, 1819 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (3554604).

Almost surely, 2^14209057 is an apocalyptic number.

It is an amenable number.

14209057 is a deficient number, since it is larger than the sum of its proper divisors (9359).

14209057 is an equidigital number, since it uses as much as digits as its factorization.

14209057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9358.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 14209057 is about 3769.4902838448. The cubic root of 14209057 is about 242.2079638928.

Adding to 14209057 its reverse (75090241), we get a palindrome (89299298).

The spelling of 14209057 in words is "fourteen million, two hundred nine thousand, fifty-seven".