13117213 has 8 divisors (see below), whose sum is σ = 13328000. Its totient is φ = 12908160.

The previous prime is 13117211. The next prime is 13117231. The reversal of 13117213 is 31271131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13117213 - 2¹ = 13117211 is a prime.

It is a super-2 number, since 2×13117213² = 344122553774738, 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 (13117211) 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 7 ways as a sum of consecutive naturals, for example, 26038 + ... + 26536.

It is an arithmetic number, because the mean of its divisors is an integer number (1666000).

Almost surely, 2^13117213 is an apocalyptic number.

It is an amenable number.

13117213 is a deficient number, since it is larger than the sum of its proper divisors (210787).

13117213 is an equidigital number, since it uses as much as digits as its factorization.

13117213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867.

The product of its digits is 126, while the sum is 19.

The square root of 13117213 is about 3621.7693189931. The cubic root of 13117213 is about 235.8380400309.

Adding to 13117213 its reverse (31271131), we get a palindrome (44388344).

The spelling of 13117213 in words is "thirteen million, one hundred seventeen thousand, two hundred thirteen".