13227493 has 2 divisors, whose sum is σ = 13227494. Its totient is φ = 13227492.

The previous prime is 13227491. The next prime is 13227497. The reversal of 13227493 is 39472231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12271009 + 956484 = 3503^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 13227493 - 2¹ = 13227491 is a prime.

Together with 13227491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13227491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613746 + 6613747.

It is an arithmetic number, because the mean of its divisors is an integer number (6613747).

Almost surely, 2^13227493 is an apocalyptic number.

It is an amenable number.

13227493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13227493 is an equidigital number, since it uses as much as digits as its factorization.

13227493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 13227493 is about 3636.9620564422. The cubic root of 13227493 is about 236.4971147778.

The spelling of 13227493 in words is "thirteen million, two hundred twenty-seven thousand, four hundred ninety-three".