12349739 has 2 divisors, whose sum is σ = 12349740. Its totient is φ = 12349738.

The previous prime is 12349721. The next prime is 12349759. The reversal of 12349739 is 93794321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12349739 - 2¹² = 12345643 is a prime.

It is not a weakly prime, because it can be changed into another prime (12349709) 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, 6174869 + 6174870.

It is an arithmetic number, because the mean of its divisors is an integer number (6174870).

Almost surely, 2^12349739 is an apocalyptic number.

12349739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12349739 is an equidigital number, since it uses as much as digits as its factorization.

12349739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 12349739 is about 3514.2195435118. The cubic root of 12349739 is about 231.1457573507.

The spelling of 12349739 in words is "twelve million, three hundred forty-nine thousand, seven hundred thirty-nine".