13761329 has 2 divisors, whose sum is σ = 13761330. Its totient is φ = 13761328.

The previous prime is 13761323. The next prime is 13761343. The reversal of 13761329 is 92316731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13490929 + 270400 = 3673^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 13761329 - 2¹⁶ = 13695793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13761295 and 13761304.

It is not a weakly prime, because it can be changed into another prime (13761323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6880664 + 6880665.

It is an arithmetic number, because the mean of its divisors is an integer number (6880665).

Almost surely, 2^13761329 is an apocalyptic number.

It is an amenable number.

13761329 is a deficient number, since it is larger than the sum of its proper divisors (1).

13761329 is an equidigital number, since it uses as much as digits as its factorization.

13761329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 13761329 is about 3709.6265310675. The cubic root of 13761329 is about 239.6367711492.

The spelling of 13761329 in words is "thirteen million, seven hundred sixty-one thousand, three hundred twenty-nine".