13247633605 has 16 divisors (see below), whose sum is σ = 16844188464. Its totient is φ = 9967636480.

The previous prime is 13247633599. The next prime is 13247633611. The reversal of 13247633605 is 50633674231.

It is an interprime number because it is at equal distance from previous prime (13247633599) and next prime (13247633611).

It can be written as a sum of positive squares in 8 ways, for example, as 2809742049 + 10437891556 = 53007^2 + 102166^2 .

It is not a de Polignac number, because 13247633605 - 2⁵ = 13247633573 is a prime.

It is a super-2 number, since 2×13247633605² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67425 + ... + 176185.

It is an arithmetic number, because the mean of its divisors is an integer number (1052761779).

Almost surely, 2^13247633605 is an apocalyptic number.

It is an amenable number.

13247633605 is a deficient number, since it is larger than the sum of its proper divisors (3596554859).

13247633605 is a wasteful number, since it uses less digits than its factorization.

13247633605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110216.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 13247633605 in words is "thirteen billion, two hundred forty-seven million, six hundred thirty-three thousand, six hundred five".