13346981 has 4 divisors (see below), whose sum is σ = 13507872. Its totient is φ = 13186092.

The previous prime is 13346903. The next prime is 13347031. The reversal of 13346981 is 18964331.

13346981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13346981 - 2²² = 9152677 is a prime.

It is a super-2 number, since 2×13346981² = 356283803628722, 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 (13346681) 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, 80321 + ... + 80486.

It is an arithmetic number, because the mean of its divisors is an integer number (3376968).

Almost surely, 2^13346981 is an apocalyptic number.

It is an amenable number.

13346981 is a deficient number, since it is larger than the sum of its proper divisors (160891).

13346981 is an equidigital number, since it uses as much as digits as its factorization.

13346981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160890.

The product of its digits is 15552, while the sum is 35.

The square root of 13346981 is about 3653.3520224583. The cubic root of 13346981 is about 237.2070982011.

The spelling of 13346981 in words is "thirteen million, three hundred forty-six thousand, nine hundred eighty-one".