13051657 has 2 divisors, whose sum is σ = 13051658. Its totient is φ = 13051656.

The previous prime is 13051637. The next prime is 13051679. The reversal of 13051657 is 75615031.

13051657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12467961 + 583696 = 3531^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 13051657 - 2¹¹ = 13049609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13051637) 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 as a sum of consecutive naturals, namely, 6525828 + 6525829.

It is an arithmetic number, because the mean of its divisors is an integer number (6525829).

Almost surely, 2^13051657 is an apocalyptic number.

It is an amenable number.

13051657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13051657 is an equidigital number, since it uses as much as digits as its factorization.

13051657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 13051657 is about 3612.7077102915. The cubic root of 13051657 is about 235.4445004847. Note that the first 3 decimals are identical.

Adding to 13051657 its reverse (75615031), we get a palindrome (88666688).

The spelling of 13051657 in words is "thirteen million, fifty-one thousand, six hundred fifty-seven".