13480591 has 4 divisors (see below), whose sum is σ = 13532112. Its totient is φ = 13429072.

The previous prime is 13480549. The next prime is 13480613. The reversal of 13480591 is 19508431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19508431 = 47 ⋅415073.

It is a cyclic number.

It is not a de Polignac number, because 13480591 - 2⁷ = 13480463 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13480501) 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, 25366 + ... + 25891.

It is an arithmetic number, because the mean of its divisors is an integer number (3383028).

Almost surely, 2^13480591 is an apocalyptic number.

13480591 is a deficient number, since it is larger than the sum of its proper divisors (51521).

13480591 is an equidigital number, since it uses as much as digits as its factorization.

13480591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51520.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13480591 is about 3671.5924338085. The cubic root of 13480591 is about 237.9959924472.

The spelling of 13480591 in words is "thirteen million, four hundred eighty thousand, five hundred ninety-one".