13057345 has 16 divisors (see below), whose sum is σ = 18247680. Its totient is φ = 8783424.

The previous prime is 13057339. The next prime is 13057361. The reversal of 13057345 is 54375031.

13057345 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13057345 - 2²¹ = 10960193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (1140480).

Almost surely, 2^13057345 is an apocalyptic number.

It is an amenable number.

13057345 is a deficient number, since it is larger than the sum of its proper divisors (5190335).

13057345 is an equidigital number, since it uses as much as digits as its factorization.

13057345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 13057345 is about 3613.4948457138. The cubic root of 13057345 is about 235.4786982835.

It can be divided in two parts, 130573 and 45, that multiplied together give a palindrome (5875785).

The spelling of 13057345 in words is "thirteen million, fifty-seven thousand, three hundred forty-five".