13481659 has 4 divisors (see below), whose sum is σ = 14191240. Its totient is φ = 12772080.

The previous prime is 13481639. The next prime is 13481681. The reversal of 13481659 is 95618431.

13481659 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13481659 - 2⁵ = 13481627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13481609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354762 + ... + 354799.

It is an arithmetic number, because the mean of its divisors is an integer number (3547810).

Almost surely, 2^13481659 is an apocalyptic number.

13481659 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13481659 is a deficient number, since it is larger than the sum of its proper divisors (709581).

13481659 is an equidigital number, since it uses as much as digits as its factorization.

13481659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709580.

The product of its digits is 25920, while the sum is 37.

The square root of 13481659 is about 3671.7378719075. The cubic root of 13481659 is about 238.0022773597.

The spelling of 13481659 in words is "thirteen million, four hundred eighty-one thousand, six hundred fifty-nine".