13011005 has 16 divisors (see below), whose sum is σ = 17906304. Its totient is φ = 8890560.

The previous prime is 13010993. The next prime is 13011007. The reversal of 13011005 is 50011031.

It is not a de Polignac number, because 13011005 - 2⁶ = 13010941 is a prime.

It is a super-2 number, since 2×13011005² = 338572502220050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011007) 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, 14294 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (1119144).

Almost surely, 2^13011005 is an apocalyptic number.

It is an amenable number.

13011005 is a deficient number, since it is larger than the sum of its proper divisors (4895299).

13011005 is an equidigital number, since it uses as much as digits as its factorization.

13011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 13011005 is about 3607.0770715359. The cubic root of 13011005 is about 235.1997998999.

Adding to 13011005 its reverse (50011031), we get a palindrome (63022036).

The spelling of 13011005 in words is "thirteen million, eleven thousand, five".