13519601 has 2 divisors, whose sum is σ = 13519602. Its totient is φ = 13519600.

The previous prime is 13519589. The next prime is 13519603. The reversal of 13519601 is 10691531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 952576 = 3545^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 13519601 - 2⁶ = 13519537 is a prime.

It is a super-2 number, since 2×13519601² = 365559222398402, which contains 22 as substring.

Together with 13519603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13519603) 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, 6759800 + 6759801.

It is an arithmetic number, because the mean of its divisors is an integer number (6759801).

Almost surely, 2^13519601 is an apocalyptic number.

It is an amenable number.

13519601 is a deficient number, since it is larger than the sum of its proper divisors (1).

13519601 is an equidigital number, since it uses as much as digits as its factorization.

13519601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 13519601 is about 3676.9010049225. The cubic root of 13519601 is about 238.2253415042.

The spelling of 13519601 in words is "thirteen million, five hundred nineteen thousand, six hundred one".