12501739 has 2 divisors, whose sum is σ = 12501740. Its totient is φ = 12501738.

The previous prime is 12501737. The next prime is 12501779. The reversal of 12501739 is 93710521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12501739 - 2¹ = 12501737 is a prime.

Together with 12501737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12501733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250869 + 6250870.

It is an arithmetic number, because the mean of its divisors is an integer number (6250870).

Almost surely, 2^12501739 is an apocalyptic number.

12501739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501739 is an equidigital number, since it uses as much as digits as its factorization.

12501739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12501739 is about 3535.7798291183. The cubic root of 12501739 is about 232.0902034789.

The spelling of 12501739 in words is "twelve million, five hundred one thousand, seven hundred thirty-nine".