13911459 has 8 divisors (see below), whose sum is σ = 18574080. Its totient is φ = 9261576.

The previous prime is 13911421. The next prime is 13911461. The reversal of 13911459 is 95411931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13911459 - 2⁸ = 13911203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13911419) 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 in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (2321760).

Almost surely, 2^13911459 is an apocalyptic number.

13911459 is a deficient number, since it is larger than the sum of its proper divisors (4662621).

13911459 is an equidigital number, since it uses as much as digits as its factorization.

13911459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369.

The product of its digits is 4860, while the sum is 33.

The square root of 13911459 is about 3729.8068314592. The cubic root of 13911459 is about 240.5050648495.

It can be divided in two parts, 1391 and 1459, that added together give a triangular number (2850 = T₇₅).

The spelling of 13911459 in words is "thirteen million, nine hundred eleven thousand, four hundred fifty-nine".