12136739 has 2 divisors, whose sum is σ = 12136740. Its totient is φ = 12136738.

The previous prime is 12136727. The next prime is 12136741. The reversal of 12136739 is 93763121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12136739 - 2⁴ = 12136723 is a prime.

Together with 12136741, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12136769) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068369 + 6068370.

It is an arithmetic number, because the mean of its divisors is an integer number (6068370).

Almost surely, 2^12136739 is an apocalyptic number.

12136739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12136739 is an equidigital number, since it uses as much as digits as its factorization.

12136739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 12136739 is about 3483.7822836681. The cubic root of 12136739 is about 229.8091611690.

The spelling of 12136739 in words is "twelve million, one hundred thirty-six thousand, seven hundred thirty-nine".