14278949 has 2 divisors, whose sum is σ = 14278950. Its totient is φ = 14278948.

The previous prime is 14278921. The next prime is 14278961. The reversal of 14278949 is 94987241.

14278949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 66049 = 3770^2 + 257^2 .

It is an emirp because it is prime and its reverse (94987241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14278949 - 2¹² = 14274853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14278919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139474 + 7139475.

It is an arithmetic number, because the mean of its divisors is an integer number (7139475).

Almost surely, 2^14278949 is an apocalyptic number.

It is an amenable number.

14278949 is a deficient number, since it is larger than the sum of its proper divisors (1).

14278949 is an equidigital number, since it uses as much as digits as its factorization.

14278949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 14278949 is about 3778.7496609328. The cubic root of 14278949 is about 242.6044414966.

The spelling of 14278949 in words is "fourteen million, two hundred seventy-eight thousand, nine hundred forty-nine".