14206257 has 12 divisors (see below), whose sum is σ = 22098804. Its totient is φ = 8742240.

The previous prime is 14206219. The next prime is 14206289. The reversal of 14206257 is 75260241.

14206257 is a `hidden beast` number, since 14 + 20 + 625 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1418481 + 12787776 = 1191^2 + 3576^2 .

It is not a de Polignac number, because 14206257 - 2⁸ = 14206001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14206257.

It is not an unprimeable number, because it can be changed into a prime (14206657) 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 11 ways as a sum of consecutive naturals, for example, 60594 + ... + 60827.

It is an arithmetic number, because the mean of its divisors is an integer number (1841567).

Almost surely, 2^14206257 is an apocalyptic number.

It is an amenable number.

14206257 is a deficient number, since it is larger than the sum of its proper divisors (7892547).

14206257 is a wasteful number, since it uses less digits than its factorization.

14206257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121440 (or 121437 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 14206257 is about 3769.1188625460. The cubic root of 14206257 is about 242.1920532228.

Adding to 14206257 its reverse (75260241), we get a palindrome (89466498).

The spelling of 14206257 in words is "fourteen million, two hundred six thousand, two hundred fifty-seven".