13332981 has 8 divisors (see below), whose sum is σ = 18823104. Its totient is φ = 8365760.

The previous prime is 13332973. The next prime is 13333039. The reversal of 13332981 is 18923331.

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 13332981 - 2³ = 13332973 is a prime.

It is a super-2 number, since 2×13332981² = 355536764692722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13332181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130665 + ... + 130766.

It is an arithmetic number, because the mean of its divisors is an integer number (2352888).

Almost surely, 2^13332981 is an apocalyptic number.

It is an amenable number.

13332981 is a deficient number, since it is larger than the sum of its proper divisors (5490123).

13332981 is a wasteful number, since it uses less digits than its factorization.

13332981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261451.

The product of its digits is 3888, while the sum is 30.

The square root of 13332981 is about 3651.4354711538. The cubic root of 13332981 is about 237.1241315941.

The spelling of 13332981 in words is "thirteen million, three hundred thirty-two thousand, nine hundred eighty-one".