13284274 has 4 divisors (see below), whose sum is σ = 19926414. Its totient is φ = 6642136.

The previous prime is 13284253. The next prime is 13284277. The reversal of 13284274 is 47248231.

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

It can be written as a sum of positive squares in only one way, i.e., 12652249 + 632025 = 3557^2 + 795^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13284277) 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 as a sum of consecutive naturals, namely, 3321067 + ... + 3321070.

Almost surely, 2^13284274 is an apocalyptic number.

13284274 is a deficient number, since it is larger than the sum of its proper divisors (6642140).

13284274 is an equidigital number, since it uses as much as digits as its factorization.

13284274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642139.

The product of its digits is 10752, while the sum is 31.

The square root of 13284274 is about 3644.7598000417. The cubic root of 13284274 is about 236.8350315115.

The spelling of 13284274 in words is "thirteen million, two hundred eighty-four thousand, two hundred seventy-four".