13761289 has 2 divisors, whose sum is σ = 13761290. Its totient is φ = 13761288.

The previous prime is 13761229. The next prime is 13761323. The reversal of 13761289 is 98216731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13690000 + 71289 = 3700^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 13761289 - 2⁹ = 13760777 is a prime.

It is not a weakly prime, because it can be changed into another prime (13761229) 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, 6880644 + 6880645.

It is an arithmetic number, because the mean of its divisors is an integer number (6880645).

Almost surely, 2^13761289 is an apocalyptic number.

It is an amenable number.

13761289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13761289 is an equidigital number, since it uses as much as digits as its factorization.

13761289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 13761289 is about 3709.6211396853. The cubic root of 13761289 is about 239.6365389652.

The spelling of 13761289 in words is "thirteen million, seven hundred sixty-one thousand, two hundred eighty-nine".