13006087761 has 4 divisors (see below), whose sum is σ = 17341450352. Its totient is φ = 8670725172.

The previous prime is 13006087697. The next prime is 13006087777. The reversal of 13006087761 is 16778060031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13006087761 - 2⁶ = 13006087697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13006087781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167681291 + ... + 2167681296.

It is an arithmetic number, because the mean of its divisors is an integer number (4335362588).

Almost surely, 2^13006087761 is an apocalyptic number.

It is an amenable number.

13006087761 is a deficient number, since it is larger than the sum of its proper divisors (4335362591).

13006087761 is an equidigital number, since it uses as much as digits as its factorization.

13006087761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335362590.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 13006087761 in words is "thirteen billion, six million, eighty-seven thousand, seven hundred sixty-one".