13000041245 has 4 divisors (see below), whose sum is σ = 15600049500. Its totient is φ = 10400032992.

The previous prime is 13000041221. The next prime is 13000041259. The reversal of 13000041245 is 54214000031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54214000031 = 4999 ⋅10844969.

It can be written as a sum of positive squares in 2 ways, for example, as 1800898969 + 11199142276 = 42437^2 + 105826^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000041245 - 2²⁴ = 12983264029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300004120 + ... + 1300004129.

It is an arithmetic number, because the mean of its divisors is an integer number (3900012375).

Almost surely, 2^13000041245 is an apocalyptic number.

It is an amenable number.

13000041245 is a deficient number, since it is larger than the sum of its proper divisors (2600008255).

13000041245 is an equidigital number, since it uses as much as digits as its factorization.

13000041245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600008254.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 13000041245 its reverse (54214000031), we get a palindrome (67214041276).

The spelling of 13000041245 in words is "thirteen billion, forty-one thousand, two hundred forty-five".