14427657 has 6 divisors (see below), whose sum is σ = 20839962. Its totient is φ = 9618432.

The previous prime is 14427653. The next prime is 14427671. The reversal of 14427657 is 75672441.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 6610041 = 2796^2 + 2571^2 .

It is not a de Polignac number, because 14427657 - 2² = 14427653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14427653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801528 + ... + 801545.

It is an arithmetic number, because the mean of its divisors is an integer number (3473327).

Almost surely, 2^14427657 is an apocalyptic number.

It is an amenable number.

14427657 is a deficient number, since it is larger than the sum of its proper divisors (6412305).

14427657 is a wasteful number, since it uses less digits than its factorization.

14427657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603079 (or 1603076 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 14427657 is about 3798.3755738473. The cubic root of 14427657 is about 243.4437352696.

The spelling of 14427657 in words is "fourteen million, four hundred twenty-seven thousand, six hundred fifty-seven".