13003452505 has 8 divisors (see below), whose sum is σ = 15651287424. Its totient is φ = 10371332400.

The previous prime is 13003452493. The next prime is 13003452509. The reversal of 13003452505 is 50525430031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13003452505 - 2¹¹ = 13003450457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13003452509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3926881 + ... + 3930190.

It is an arithmetic number, because the mean of its divisors is an integer number (1956410928).

Almost surely, 2^13003452505 is an apocalyptic number.

It is an amenable number.

13003452505 is a deficient number, since it is larger than the sum of its proper divisors (2647834919).

13003452505 is an equidigital number, since it uses as much as digits as its factorization.

13003452505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857407.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 13003452505 its reverse (50525430031), we get a palindrome (63528882536).

The spelling of 13003452505 in words is "thirteen billion, three million, four hundred fifty-two thousand, five hundred five".