13482581 has 16 divisors (see below), whose sum is σ = 16454016. Its totient is φ = 10784256.

The previous prime is 13482569. The next prime is 13482587. The reversal of 13482581 is 18528431.

It is not a de Polignac number, because 13482581 - 2¹⁸ = 13220437 is a prime.

It is a super-2 number, since 2×13482581² = 363559980843122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13482587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15890 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (1028376).

Almost surely, 2^13482581 is an apocalyptic number.

It is an amenable number.

13482581 is a deficient number, since it is larger than the sum of its proper divisors (2971435).

13482581 is a wasteful number, since it uses less digits than its factorization.

13482581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its digits is 7680, while the sum is 32.

The square root of 13482581 is about 3671.8634233860. The cubic root of 13482581 is about 238.0077028319.

The spelling of 13482581 in words is "thirteen million, four hundred eighty-two thousand, five hundred eighty-one".