13949227 has 2 divisors, whose sum is σ = 13949228. Its totient is φ = 13949226.

The previous prime is 13949213. The next prime is 13949233. The reversal of 13949227 is 72294931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13949227 - 2¹⁵ = 13916459 is a prime.

It is not a weakly prime, because it can be changed into another prime (13949207) 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, 6974613 + 6974614.

It is an arithmetic number, because the mean of its divisors is an integer number (6974614).

Almost surely, 2^13949227 is an apocalyptic number.

13949227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13949227 is an equidigital number, since it uses as much as digits as its factorization.

13949227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 13949227 is about 3734.8663965395. The cubic root of 13949227 is about 240.7225159820.

The spelling of 13949227 in words is "thirteen million, nine hundred forty-nine thousand, two hundred twenty-seven".