13657041 has 6 divisors (see below), whose sum is σ = 19726850. Its totient is φ = 9104688.

The previous prime is 13657031. The next prime is 13657043. The reversal of 13657041 is 14075631.

13657041 is a `hidden beast` number, since 1 + 3 + 657 + 0 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9641025 + 4016016 = 3105^2 + 2004^2 .

It is not a de Polignac number, because 13657041 - 2⁹ = 13656529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13656996 and 13657014.

It is not an unprimeable number, because it can be changed into a prime (13657043) 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 5 ways as a sum of consecutive naturals, for example, 758716 + ... + 758733.

Almost surely, 2^13657041 is an apocalyptic number.

It is an amenable number.

13657041 is a deficient number, since it is larger than the sum of its proper divisors (6069809).

13657041 is a wasteful number, since it uses less digits than its factorization.

13657041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517455 (or 1517452 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13657041 is about 3695.5433971204. The cubic root of 13657041 is about 239.0298860289.

The spelling of 13657041 in words is "thirteen million, six hundred fifty-seven thousand, forty-one".