13452739 has 2 divisors, whose sum is σ = 13452740. Its totient is φ = 13452738.

The previous prime is 13452731. The next prime is 13452743. The reversal of 13452739 is 93725431.

13452739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13452739 - 2³ = 13452731 is a prime.

It is not a weakly prime, because it can be changed into another prime (13452731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726369 + 6726370.

It is an arithmetic number, because the mean of its divisors is an integer number (6726370).

Almost surely, 2^13452739 is an apocalyptic number.

13452739 is a deficient number, since it is larger than the sum of its proper divisors (1).

13452739 is an equidigital number, since it uses as much as digits as its factorization.

13452739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 13452739 is about 3667.7975680236. The cubic root of 13452739 is about 237.8319730618.

The spelling of 13452739 in words is "thirteen million, four hundred fifty-two thousand, seven hundred thirty-nine".