13058661 has 16 divisors (see below), whose sum is σ = 21708288. Its totient is φ = 6783600.

The previous prime is 13058659. The next prime is 13058663. The reversal of 13058661 is 16685031.

It is an interprime number because it is at equal distance from previous prime (13058659) and next prime (13058663).

It is not a de Polignac number, because 13058661 - 2¹ = 13058659 is a prime.

It is a super-2 number, since 2×13058661² = 341057254225842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13058663) 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 15 ways as a sum of consecutive naturals, for example, 28035 + ... + 28496.

It is an arithmetic number, because the mean of its divisors is an integer number (1356768).

Almost surely, 2^13058661 is an apocalyptic number.

13058661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13058661 is a deficient number, since it is larger than the sum of its proper divisors (8649627).

13058661 is a wasteful number, since it uses less digits than its factorization.

13058661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56552.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13058661 is about 3613.6769363074. The cubic root of 13058661 is about 235.4866090177.

The spelling of 13058661 in words is "thirteen million, fifty-eight thousand, six hundred sixty-one".