13510649 has 2 divisors, whose sum is σ = 13510650. Its totient is φ = 13510648.

The previous prime is 13510589. The next prime is 13510663. The reversal of 13510649 is 94601531.

13510649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13191424 + 319225 = 3632^2 + 565^2 .

It is an emirp because it is prime and its reverse (94601531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13510649 is a prime.

It is not a weakly prime, because it can be changed into another prime (13510249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755324 + 6755325.

It is an arithmetic number, because the mean of its divisors is an integer number (6755325).

Almost surely, 2^13510649 is an apocalyptic number.

It is an amenable number.

13510649 is a deficient number, since it is larger than the sum of its proper divisors (1).

13510649 is an equidigital number, since it uses as much as digits as its factorization.

13510649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13510649 is about 3675.6834738590. The cubic root of 13510649 is about 238.1727496137.

The spelling of 13510649 in words is "thirteen million, five hundred ten thousand, six hundred forty-nine".