13961359 has 2 divisors, whose sum is σ = 13961360. Its totient is φ = 13961358.

The previous prime is 13961357. The next prime is 13961399. The reversal of 13961359 is 95316931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13961359 - 2¹ = 13961357 is a prime.

Together with 13961357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13961357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6980679 + 6980680.

It is an arithmetic number, because the mean of its divisors is an integer number (6980680).

Almost surely, 2^13961359 is an apocalyptic number.

13961359 is a deficient number, since it is larger than the sum of its proper divisors (1).

13961359 is an equidigital number, since it uses as much as digits as its factorization.

13961359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870, while the sum is 37.

The square root of 13961359 is about 3736.4901980334. The cubic root of 13961359 is about 240.7922832724.

The spelling of 13961359 in words is "thirteen million, nine hundred sixty-one thousand, three hundred fifty-nine".