13480891 has 2 divisors, whose sum is σ = 13480892. Its totient is φ = 13480890.

The previous prime is 13480879. The next prime is 13480979. The reversal of 13480891 is 19808431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13480891 - 2⁷ = 13480763 is a prime.

It is not a weakly prime, because it can be changed into another prime (13480991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740445 + 6740446.

It is an arithmetic number, because the mean of its divisors is an integer number (6740446).

Almost surely, 2^13480891 is an apocalyptic number.

13480891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13480891 is an equidigital number, since it uses as much as digits as its factorization.

13480891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13480891 is about 3671.6332877890. The cubic root of 13480891 is about 237.9977579056.

The spelling of 13480891 in words is "thirteen million, four hundred eighty thousand, eight hundred ninety-one".