13294221 has 8 divisors (see below), whose sum is σ = 18768384. Its totient is φ = 8341440.

The previous prime is 13294219. The next prime is 13294231. The reversal of 13294221 is 12249231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13294221 - 2¹ = 13294219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13294191 and 13294200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13294231) 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 7 ways as a sum of consecutive naturals, for example, 130285 + ... + 130386.

It is an arithmetic number, because the mean of its divisors is an integer number (2346048).

Almost surely, 2^13294221 is an apocalyptic number.

It is an amenable number.

13294221 is a deficient number, since it is larger than the sum of its proper divisors (5474163).

13294221 is a wasteful number, since it uses less digits than its factorization.

13294221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260691.

The product of its digits is 864, while the sum is 24.

The square root of 13294221 is about 3646.1241064999. The cubic root of 13294221 is about 236.8941292163.

The spelling of 13294221 in words is "thirteen million, two hundred ninety-four thousand, two hundred twenty-one".