13249147 has 2 divisors, whose sum is σ = 13249148. Its totient is φ = 13249146.

The previous prime is 13249141. The next prime is 13249153. The reversal of 13249147 is 74194231.

13249147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (13249141) and next prime (13249153).

It is an emirp because it is prime and its reverse (74194231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13249147 is a prime.

It is not a weakly prime, because it can be changed into another prime (13249141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624573 + 6624574.

It is an arithmetic number, because the mean of its divisors is an integer number (6624574).

Almost surely, 2^13249147 is an apocalyptic number.

13249147 is a deficient number, since it is larger than the sum of its proper divisors (1).

13249147 is an equidigital number, since it uses as much as digits as its factorization.

13249147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 13249147 is about 3639.9377741934. The cubic root of 13249147 is about 236.6260965525.

The spelling of 13249147 in words is "thirteen million, two hundred forty-nine thousand, one hundred forty-seven".