13000043215 has 16 divisors (see below), whose sum is σ = 15730652160. Its totient is φ = 10313049600.

The previous prime is 13000043213. The next prime is 13000043227. The reversal of 13000043215 is 51234000031.

It is not a de Polignac number, because 13000043215 - 2¹ = 13000043213 is a prime.

It is a super-2 number, since 2×13000043215² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13000043192 and 13000043201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000043213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774981 + ... + 1782289.

It is an arithmetic number, because the mean of its divisors is an integer number (983165760).

Almost surely, 2^13000043215 is an apocalyptic number.

13000043215 is a deficient number, since it is larger than the sum of its proper divisors (2730608945).

13000043215 is a wasteful number, since it uses less digits than its factorization.

13000043215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 13000043215 its reverse (51234000031), we get a palindrome (64234043246).

The spelling of 13000043215 in words is "thirteen billion, forty-three thousand, two hundred fifteen".