13260506281 has 12 divisors (see below), whose sum is σ = 14914571056. Its totient is φ = 11774652120.

The previous prime is 13260506279. The next prime is 13260506297. The reversal of 13260506281 is 18260506231.

It is not a de Polignac number, because 13260506281 - 2¹ = 13260506279 is a prime.

It is a super-2 number, since 2×13260506281² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13260506251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269111 + ... + 1279516.

Almost surely, 2^13260506281 is an apocalyptic number.

13260506281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13260506281 is a deficient number, since it is larger than the sum of its proper divisors (1654064775).

13260506281 is a wasteful number, since it uses less digits than its factorization.

13260506281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548692 (or 2548681 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

It can be divided in two parts, 1326050 and 6281, that added together give a palindrome (1332331).

The spelling of 13260506281 in words is "thirteen billion, two hundred sixty million, five hundred six thousand, two hundred eighty-one".