13020671 has 2 divisors, whose sum is σ = 13020672. Its totient is φ = 13020670.

The previous prime is 13020659. The next prime is 13020673. The reversal of 13020671 is 17602031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17602031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13020671 - 2⁶ = 13020607 is a prime.

Together with 13020673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020673) 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, 6510335 + 6510336.

It is an arithmetic number, because the mean of its divisors is an integer number (6510336).

Almost surely, 2^13020671 is an apocalyptic number.

13020671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020671 is an equidigital number, since it uses as much as digits as its factorization.

13020671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13020671 is about 3608.4166887986. The cubic root of 13020671 is about 235.2580295425.

The spelling of 13020671 in words is "thirteen million, twenty thousand, six hundred seventy-one".