9412981 has 2 divisors, whose sum is σ = 9412982. Its totient is φ = 9412980.

The previous prime is 9412979. The next prime is 9412993. The reversal of 9412981 is 1892149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 1199025 = 2866^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 9412981 - 2¹ = 9412979 is a prime.

It is a super-2 number, since 2×9412981² = 177208422612722, which contains 22 as substring.

Together with 9412979, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

9412981 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9412901) 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 as a sum of consecutive naturals, namely, 4706490 + 4706491.

It is an arithmetic number, because the mean of its divisors is an integer number (4706491).

Almost surely, 2^9412981 is an apocalyptic number.

It is an amenable number.

9412981 is a deficient number, since it is larger than the sum of its proper divisors (1).

9412981 is an equidigital number, since it uses as much as digits as its factorization.

9412981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 34.

The square root of 9412981 is about 3068.0581806739. The cubic root of 9412981 is about 211.1425330166.

The spelling of 9412981 in words is "nine million, four hundred twelve thousand, nine hundred eighty-one".