13150765 has 4 divisors (see below), whose sum is σ = 15780924. Its totient is φ = 10520608.

The previous prime is 13150763. The next prime is 13150801. The reversal of 13150765 is 56705131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 10673289 = 1574^2 + 3267^2 .

It is a cyclic number.

It is not a de Polignac number, because 13150765 - 2¹ = 13150763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13150763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315072 + ... + 1315081.

It is an arithmetic number, because the mean of its divisors is an integer number (3945231).

Almost surely, 2^13150765 is an apocalyptic number.

It is an amenable number.

13150765 is a deficient number, since it is larger than the sum of its proper divisors (2630159).

13150765 is an equidigital number, since it uses as much as digits as its factorization.

13150765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630158.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 13150765 is about 3626.3983509813. The cubic root of 13150765 is about 236.0389490920.

Adding to 13150765 its reverse (56705131), we get a palindrome (69855896).

The spelling of 13150765 in words is "thirteen million, one hundred fifty thousand, seven hundred sixty-five".