13215302345 has 16 divisors (see below), whose sum is σ = 18172450560. Its totient is φ = 9037617984.

The previous prime is 13215302323. The next prime is 13215302371. The reversal of 13215302345 is 54320351231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13215302345 - 2⁶ = 13215302281 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, 493085 + ... + 519194.

It is an arithmetic number, because the mean of its divisors is an integer number (1135778160).

Almost surely, 2^13215302345 is an apocalyptic number.

It is an amenable number.

13215302345 is a deficient number, since it is larger than the sum of its proper divisors (4957148215).

13215302345 is a wasteful number, since it uses less digits than its factorization.

13215302345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012664.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13215302345 its reverse (54320351231), we get a palindrome (67535653576).

The spelling of 13215302345 in words is "thirteen billion, two hundred fifteen million, three hundred two thousand, three hundred forty-five".