13273065 has 40 divisors (see below), whose sum is σ = 25633608. Its totient is φ = 6531840.

The previous prime is 13273049. The next prime is 13273067. The reversal of 13273065 is 56037231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 826281 + 12446784 = 909^2 + 3528^2 .

It is not a de Polignac number, because 13273065 - 2⁴ = 13273049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13273067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4005 + ... + 6525.

Almost surely, 2^13273065 is an apocalyptic number.

13273065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13273065 is a deficient number, since it is larger than the sum of its proper divisors (12360543).

13273065 is a wasteful number, since it uses less digits than its factorization.

13273065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 13273065 is about 3643.2217884724. The cubic root of 13273065 is about 236.7684005744.

The spelling of 13273065 in words is "thirteen million, two hundred seventy-three thousand, sixty-five".