13226191 has 8 divisors (see below), whose sum is σ = 14477904. Its totient is φ = 11982720.

The previous prime is 13226189. The next prime is 13226197. The reversal of 13226191 is 19162231.

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 13226191 - 2¹ = 13226189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226197) 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, 1591 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (1809738).

Almost surely, 2^13226191 is an apocalyptic number.

13226191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13226191 is a deficient number, since it is larger than the sum of its proper divisors (1251713).

13226191 is a wasteful number, since it uses less digits than its factorization.

13226191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121.

The product of its digits is 648, while the sum is 25.

The square root of 13226191 is about 3636.7830564937. The cubic root of 13226191 is about 236.4893549464.

The spelling of 13226191 in words is "thirteen million, two hundred twenty-six thousand, one hundred ninety-one".