13190557 has 2 divisors, whose sum is σ = 13190558. Its totient is φ = 13190556.

The previous prime is 13190549. The next prime is 13190599. The reversal of 13190557 is 75509131.

13190557 is digitally balanced in base 2, 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., 12152196 + 1038361 = 3486^2 + 1019^2 .

It is an emirp because it is prime and its reverse (75509131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13190557 - 2³ = 13190549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13190257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6595278 + 6595279.

It is an arithmetic number, because the mean of its divisors is an integer number (6595279).

Almost surely, 2^13190557 is an apocalyptic number.

It is an amenable number.

13190557 is a deficient number, since it is larger than the sum of its proper divisors (1).

13190557 is an equidigital number, since it uses as much as digits as its factorization.

13190557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 13190557 is about 3631.8806423119. The cubic root of 13190557 is about 236.2767807421.

Adding to 13190557 its reverse (75509131), we get a palindrome (88699688).

The spelling of 13190557 in words is "thirteen million, one hundred ninety thousand, five hundred fifty-seven".