13591147 has 2 divisors, whose sum is σ = 13591148. Its totient is φ = 13591146.

The previous prime is 13591141. The next prime is 13591153. The reversal of 13591147 is 74119531.

It is a balanced prime because it is at equal distance from previous prime (13591141) and next prime (13591153).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13591147 is a prime.

It is not a weakly prime, because it can be changed into another prime (13591141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6795573 + 6795574.

It is an arithmetic number, because the mean of its divisors is an integer number (6795574).

Almost surely, 2^13591147 is an apocalyptic number.

13591147 is a deficient number, since it is larger than the sum of its proper divisors (1).

13591147 is an equidigital number, since it uses as much as digits as its factorization.

13591147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 13591147 is about 3686.6172841780. The cubic root of 13591147 is about 238.6448334827.

The spelling of 13591147 in words is "thirteen million, five hundred ninety-one thousand, one hundred forty-seven".