13020673 has 2 divisors, whose sum is σ = 13020674. Its totient is φ = 13020672.

The previous prime is 13020671. The next prime is 13020677. The reversal of 13020673 is 37602031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8928144 + 4092529 = 2988^2 + 2023^2 .

It is an emirp because it is prime and its reverse (37602031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13020673 - 2¹ = 13020671 is a prime.

Together with 13020671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13020671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510336 + 6510337.

It is an arithmetic number, because the mean of its divisors is an integer number (6510337).

Almost surely, 2^13020673 is an apocalyptic number.

It is an amenable number.

13020673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020673 is an equidigital number, since it uses as much as digits as its factorization.

13020673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13020673 is about 3608.4169659284. The cubic root of 13020673 is about 235.2580415879.

The spelling of 13020673 in words is "thirteen million, twenty thousand, six hundred seventy-three".