13213345 has 16 divisors (see below), whose sum is σ = 16485120. Its totient is φ = 10159744.

The previous prime is 13213331. The next prime is 13213363. The reversal of 13213345 is 54331231.

13213345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13213345 - 2¹⁹ = 12689057 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, 13389 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (1030320).

Almost surely, 2^13213345 is an apocalyptic number.

It is an amenable number.

13213345 is a deficient number, since it is larger than the sum of its proper divisors (3271775).

13213345 is an equidigital number, since it uses as much as digits as its factorization.

13213345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its digits is 1080, while the sum is 22.

The square root of 13213345 is about 3635.0165061523. The cubic root of 13213345 is about 236.4127663472.

Adding to 13213345 its reverse (54331231), we get a palindrome (67544576).

The spelling of 13213345 in words is "thirteen million, two hundred thirteen thousand, three hundred forty-five".