13013647 has 2 divisors, whose sum is σ = 13013648. Its totient is φ = 13013646.

The previous prime is 13013641. The next prime is 13013657. The reversal of 13013647 is 74631031.

13013647 is digitally balanced in base 2, 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 13013647 - 2³ = 13013639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13013641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506823 + 6506824.

It is an arithmetic number, because the mean of its divisors is an integer number (6506824).

Almost surely, 2^13013647 is an apocalyptic number.

13013647 is a deficient number, since it is larger than the sum of its proper divisors (1).

13013647 is an equidigital number, since it uses as much as digits as its factorization.

13013647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13013647 is about 3607.4432774473. The cubic root of 13013647 is about 235.2157186245.

Adding to 13013647 its reverse (74631031), we get a palindrome (87644678).

The spelling of 13013647 in words is "thirteen million, thirteen thousand, six hundred forty-seven".