13511893 has 2 divisors, whose sum is σ = 13511894. Its totient is φ = 13511892.

The previous prime is 13511867. The next prime is 13511917. The reversal of 13511893 is 39811531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12341169 + 1170724 = 3513^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13511893 is a prime.

It is equal to p₈₈₀₃₃₉ and since 13511893 and 880339 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13511843) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755946 + 6755947.

It is an arithmetic number, because the mean of its divisors is an integer number (6755947).

Almost surely, 2^13511893 is an apocalyptic number.

It is an amenable number.

13511893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13511893 is an equidigital number, since it uses as much as digits as its factorization.

13511893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 13511893 is about 3675.8526901931. The cubic root of 13511893 is about 238.1800593491.

The spelling of 13511893 in words is "thirteen million, five hundred eleven thousand, eight hundred ninety-three".