13013761 has 2 divisors, whose sum is σ = 13013762. Its totient is φ = 13013760.

The previous prime is 13013747. The next prime is 13013771. The reversal of 13013761 is 16731031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 5089536 = 2815^2 + 2256^2 .

It is a cyclic number.

It is not a de Polignac number, because 13013761 - 2¹⁹ = 12489473 is a prime.

It is not a weakly prime, because it can be changed into another prime (13013701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506880 + 6506881.

It is an arithmetic number, because the mean of its divisors is an integer number (6506881).

Almost surely, 2^13013761 is an apocalyptic number.

It is an amenable number.

13013761 is a deficient number, since it is larger than the sum of its proper divisors (1).

13013761 is an equidigital number, since it uses as much as digits as its factorization.

13013761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 13013761 is about 3607.4590780770. The cubic root of 13013761 is about 235.2164054552.

Adding to 13013761 its reverse (16731031), we get a palindrome (29744792).

The spelling of 13013761 in words is "thirteen million, thirteen thousand, seven hundred sixty-one".