13344739 has 2 divisors, whose sum is σ = 13344740. Its totient is φ = 13344738.

The previous prime is 13344703. The next prime is 13344743. The reversal of 13344739 is 93744331.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93744331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13344739 - 2¹⁷ = 13213667 is a prime.

It is not a weakly prime, because it can be changed into another prime (13344769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672369 + 6672370.

It is an arithmetic number, because the mean of its divisors is an integer number (6672370).

Almost surely, 2^13344739 is an apocalyptic number.

13344739 is a deficient number, since it is larger than the sum of its proper divisors (1).

13344739 is an equidigital number, since it uses as much as digits as its factorization.

13344739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 13344739 is about 3653.0451680755. The cubic root of 13344739 is about 237.1938155944.

The spelling of 13344739 in words is "thirteen million, three hundred forty-four thousand, seven hundred thirty-nine".