13672739 has 2 divisors, whose sum is σ = 13672740. Its totient is φ = 13672738.

The previous prime is 13672733. The next prime is 13672759. The reversal of 13672739 is 93727631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13672739 - 2²⁰ = 12624163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13672733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6836369 + 6836370.

It is an arithmetic number, because the mean of its divisors is an integer number (6836370).

Almost surely, 2^13672739 is an apocalyptic number.

13672739 is a deficient number, since it is larger than the sum of its proper divisors (1).

13672739 is an equidigital number, since it uses as much as digits as its factorization.

13672739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 38.

The square root of 13672739 is about 3697.6666967156. Note that the first 4 decimals coincide. The cubic root of 13672739 is about 239.1214347615.

The spelling of 13672739 in words is "thirteen million, six hundred seventy-two thousand, seven hundred thirty-nine".