13190257 has 2 divisors, whose sum is σ = 13190258. Its totient is φ = 13190256.

The previous prime is 13190231. The next prime is 13190263. The reversal of 13190257 is 75209131.

13190257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 2405601 = 3284^2 + 1551^2 .

It is a cyclic number.

It is not a de Polignac number, because 13190257 - 2⁷ = 13190129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13190267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6595128 + 6595129.

It is an arithmetic number, because the mean of its divisors is an integer number (6595129).

Almost surely, 2^13190257 is an apocalyptic number.

It is an amenable number.

13190257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13190257 is an equidigital number, since it uses as much as digits as its factorization.

13190257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13190257 is about 3631.8393411603. The cubic root of 13190257 is about 236.2749894714.

Adding to 13190257 its reverse (75209131), we get a palindrome (88399388).

The spelling of 13190257 in words is "thirteen million, one hundred ninety thousand, two hundred fifty-seven".