13273945 has 8 divisors (see below), whose sum is σ = 15951744. Its totient is φ = 10603824.

The previous prime is 13273943. The next prime is 13273969. The reversal of 13273945 is 54937231.

13273945 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 13273945 - 2¹ = 13273943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13273945.

It is not an unprimeable number, because it can be changed into a prime (13273943) 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, 3072 + ... + 5998.

It is an arithmetic number, because the mean of its divisors is an integer number (1993968).

Almost surely, 2^13273945 is an apocalyptic number.

It is an amenable number.

13273945 is a deficient number, since it is larger than the sum of its proper divisors (2677799).

13273945 is an equidigital number, since it uses as much as digits as its factorization.

13273945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

The product of its digits is 22680, while the sum is 34.

The square root of 13273945 is about 3643.3425586952. The cubic root of 13273945 is about 236.7736330154.

The spelling of 13273945 in words is "thirteen million, two hundred seventy-three thousand, nine hundred forty-five".