13112765 has 8 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 10266832.

The previous prime is 13112761. The next prime is 13112767. The reversal of 13112765 is 56721131.

13112765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13112765 - 2² = 13112761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112761) 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, 27665 + ... + 28134.

It is an arithmetic number, because the mean of its divisors is an integer number (2008800).

Almost surely, 2^13112765 is an apocalyptic number.

It is an amenable number.

13112765 is a deficient number, since it is larger than the sum of its proper divisors (2957635).

13112765 is an equidigital number, since it uses as much as digits as its factorization.

13112765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55851.

The product of its digits is 1260, while the sum is 26.

The square root of 13112765 is about 3621.1552024181. The cubic root of 13112765 is about 235.8113797386.

Adding to 13112765 its reverse (56721131), we get a palindrome (69833896).

The spelling of 13112765 in words is "thirteen million, one hundred twelve thousand, seven hundred sixty-five".