13034257 has 4 divisors (see below), whose sum is σ = 13800996. Its totient is φ = 12267520.

The previous prime is 13034227. The next prime is 13034267. The reversal of 13034257 is 75243031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11048976 + 1985281 = 3324^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 13034257 - 2⁷ = 13034129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13034227) 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 3 ways as a sum of consecutive naturals, for example, 383344 + ... + 383377.

It is an arithmetic number, because the mean of its divisors is an integer number (3450249).

Almost surely, 2^13034257 is an apocalyptic number.

13034257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13034257 is a deficient number, since it is larger than the sum of its proper divisors (766739).

13034257 is an equidigital number, since it uses as much as digits as its factorization.

13034257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766738.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13034257 is about 3610.2987411016. The cubic root of 13034257 is about 235.3398252393.

Adding to 13034257 its reverse (75243031), we get a palindrome (88277288).

The spelling of 13034257 in words is "thirteen million, thirty-four thousand, two hundred fifty-seven".