14006557 has 4 divisors (see below), whose sum is σ = 14042236. Its totient is φ = 13970880.

The previous prime is 14006539. The next prime is 14006569. The reversal of 14006557 is 75560041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75560041 = 7321 ⋅10321.

It can be written as a sum of positive squares in 2 ways, for example, as 5861241 + 8145316 = 2421^2 + 2854^2 .

It is a cyclic number.

It is not a de Polignac number, because 14006557 - 2⁷ = 14006429 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 (14006527) 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, 17244 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (3510559).

Almost surely, 2^14006557 is an apocalyptic number.

It is an amenable number.

14006557 is a deficient number, since it is larger than the sum of its proper divisors (35679).

14006557 is an equidigital number, since it uses as much as digits as its factorization.

14006557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35678.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 14006557 is about 3742.5335001841. The cubic root of 14006557 is about 241.0518474563.

Adding to 14006557 its reverse (75560041), we get a palindrome (89566598).

The spelling of 14006557 in words is "fourteen million, six thousand, five hundred fifty-seven".