13274305 has 24 divisors (see below), whose sum is σ = 18012456. Its totient is φ = 9377280.

The previous prime is 13274281. The next prime is 13274311. The reversal of 13274305 is 50347231.

It can be written as a sum of positive squares in 4 ways, for example, as 4322241 + 8952064 = 2079^2 + 2992^2 .

It is not a de Polignac number, because 13274305 - 2¹⁷ = 13143233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13274305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22089 + ... + 22681.

It is an arithmetic number, because the mean of its divisors is an integer number (750519).

Almost surely, 2^13274305 is an apocalyptic number.

It is an amenable number.

13274305 is a deficient number, since it is larger than the sum of its proper divisors (4738151).

13274305 is a wasteful number, since it uses less digits than its factorization.

13274305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13274305 is about 3643.3919635417. The cubic root of 13274305 is about 236.7757734928.

The spelling of 13274305 in words is "thirteen million, two hundred seventy-four thousand, three hundred five".