13560913 has 2 divisors, whose sum is σ = 13560914. Its totient is φ = 13560912.

The previous prime is 13560887. The next prime is 13560923. The reversal of 13560913 is 31906531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 253009 = 3648^2 + 503^2 .

It is an emirp because it is prime and its reverse (31906531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13560913 - 2¹⁷ = 13429841 is a prime.

It is a super-2 number, since 2×13560913² = 367796722787138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13560923) 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, 6780456 + 6780457.

It is an arithmetic number, because the mean of its divisors is an integer number (6780457).

Almost surely, 2^13560913 is an apocalyptic number.

It is an amenable number.

13560913 is a deficient number, since it is larger than the sum of its proper divisors (1).

13560913 is an equidigital number, since it uses as much as digits as its factorization.

13560913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 13560913 is about 3682.5144942009. The cubic root of 13560913 is about 238.4677440713.

The spelling of 13560913 in words is "thirteen million, five hundred sixty thousand, nine hundred thirteen".