13264260705 has 28 divisors (see below), whose sum is σ = 23864758740. Its totient is φ = 7074270432.

The previous prime is 13264260703. The next prime is 13264260707. The reversal of 13264260705 is 50706246231.

13264260705 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 42 + 607 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (13264260703) and next prime (13264260707).

It can be written as a sum of positive squares in 2 ways, for example, as 8244821601 + 5019439104 = 90801^2 + 70848^2 .

It is not a de Polignac number, because 13264260705 - 2¹ = 13264260703 is a prime.

It is a super-2 number, since 2×13264260705² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13264260705.

It is not an unprimeable number, because it can be changed into a prime (13264260703) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1815870 + ... + 1823159.

Almost surely, 2^13264260705 is an apocalyptic number.

13264260705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13264260705 is a deficient number, since it is larger than the sum of its proper divisors (10600498035).

13264260705 is an frugal number, since it uses more digits than its factorization.

13264260705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639052 (or 3639037 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 13264260705 in words is "thirteen billion, two hundred sixty-four million, two hundred sixty thousand, seven hundred five".