13210913 has 2 divisors, whose sum is σ = 13210914. Its totient is φ = 13210912.

The previous prime is 13210907. The next prime is 13210931. The reversal of 13210913 is 31901231.

Together with next prime (13210931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12061729 + 1149184 = 3473^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 13210913 - 2¹⁴ = 13194529 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13210903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605456 + 6605457.

It is an arithmetic number, because the mean of its divisors is an integer number (6605457).

Almost surely, 2^13210913 is an apocalyptic number.

It is an amenable number.

13210913 is a deficient number, since it is larger than the sum of its proper divisors (1).

13210913 is an equidigital number, since it uses as much as digits as its factorization.

13210913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 13210913 is about 3634.6819668301. The cubic root of 13210913 is about 236.3982610339.

The spelling of 13210913 in words is "thirteen million, two hundred ten thousand, nine hundred thirteen".