13073647 has 2 divisors, whose sum is σ = 13073648. Its totient is φ = 13073646.

The previous prime is 13073639. The next prime is 13073657. The reversal of 13073647 is 74637031.

13073647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13073647 - 2³ = 13073639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13073657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6536823 + 6536824.

It is an arithmetic number, because the mean of its divisors is an integer number (6536824).

Almost surely, 2^13073647 is an apocalyptic number.

13073647 is a deficient number, since it is larger than the sum of its proper divisors (1).

13073647 is an equidigital number, since it uses as much as digits as its factorization.

13073647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 13073647 is about 3615.7498530734. The cubic root of 13073647 is about 235.5766553410.

The spelling of 13073647 in words is "thirteen million, seventy-three thousand, six hundred forty-seven".