13519091 has 2 divisors, whose sum is σ = 13519092. Its totient is φ = 13519090.

The previous prime is 13519067. The next prime is 13519109. The reversal of 13519091 is 19091531.

Together with next prime (13519109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (19091531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13519091 - 2¹⁴ = 13502707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13519021) 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, 6759545 + 6759546.

It is an arithmetic number, because the mean of its divisors is an integer number (6759546).

Almost surely, 2^13519091 is an apocalyptic number.

13519091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13519091 is an equidigital number, since it uses as much as digits as its factorization.

13519091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 13519091 is about 3676.8316523877. The cubic root of 13519091 is about 238.2223459412. Note that the first 3 decimals are identical.

The spelling of 13519091 in words is "thirteen million, five hundred nineteen thousand, ninety-one".