13084981 has 8 divisors (see below), whose sum is σ = 16104704. Its totient is φ = 10352880.

The previous prime is 13084969. The next prime is 13084987. The reversal of 13084981 is 18948031.

It is a happy number.

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 13084981 - 2⁵ = 13084949 is a prime.

It is a super-2 number, since 2×13084981² = 342433455540722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13084987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71805 + ... + 71986.

It is an arithmetic number, because the mean of its divisors is an integer number (2013088).

Almost surely, 2^13084981 is an apocalyptic number.

It is an amenable number.

13084981 is a deficient number, since it is larger than the sum of its proper divisors (3019723).

13084981 is a wasteful number, since it uses less digits than its factorization.

13084981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143811.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13084981 is about 3617.3168232821. The cubic root of 13084981 is about 235.6447122141.

The spelling of 13084981 in words is "thirteen million, eighty-four thousand, nine hundred eighty-one".