12937739 has 2 divisors, whose sum is σ = 12937740. Its totient is φ = 12937738.

The previous prime is 12937723. The next prime is 12937747. The reversal of 12937739 is 93773921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12937739 - 2⁴ = 12937723 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12937696 and 12937705.

It is not a weakly prime, because it can be changed into another prime (12937789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468869 + 6468870.

It is an arithmetic number, because the mean of its divisors is an integer number (6468870).

Almost surely, 2^12937739 is an apocalyptic number.

12937739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12937739 is an equidigital number, since it uses as much as digits as its factorization.

12937739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 41.

The square root of 12937739 is about 3596.9068656277. The cubic root of 12937739 is about 234.7574923993.

The spelling of 12937739 in words is "twelve million, nine hundred thirty-seven thousand, seven hundred thirty-nine".