13468681 has 4 divisors (see below), whose sum is σ = 13483264. Its totient is φ = 13454100.

The previous prime is 13468669. The next prime is 13468687. The reversal of 13468681 is 18686431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13468681 - 2¹⁵ = 13435913 is a prime.

It is a super-2 number, since 2×13468681² = 362810735759522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13468681.

It is not an unprimeable number, because it can be changed into a prime (13468687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5805 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (3370816).

Almost surely, 2^13468681 is an apocalyptic number.

It is an amenable number.

13468681 is a deficient number, since it is larger than the sum of its proper divisors (14583).

13468681 is an equidigital number, since it uses as much as digits as its factorization.

13468681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14582.

The product of its digits is 27648, while the sum is 37.

The square root of 13468681 is about 3669.9701633665. The cubic root of 13468681 is about 237.9258825773.

The spelling of 13468681 in words is "thirteen million, four hundred sixty-eight thousand, six hundred eighty-one".