12053981 has 2 divisors, whose sum is σ = 12053982. Its totient is φ = 12053980.

The previous prime is 12053963. The next prime is 12054011. The reversal of 12053981 is 18935021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 1229881 = 3290^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 12053981 - 2⁶ = 12053917 is a prime.

It is a super-2 number, since 2×12053981² = 290596915896722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12053281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6026990 + 6026991.

It is an arithmetic number, because the mean of its divisors is an integer number (6026991).

Almost surely, 2^12053981 is an apocalyptic number.

It is an amenable number.

12053981 is a deficient number, since it is larger than the sum of its proper divisors (1).

12053981 is an equidigital number, since it uses as much as digits as its factorization.

12053981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12053981 is about 3471.8843586733. The cubic root of 12053981 is about 229.2856284761.

The spelling of 12053981 in words is "twelve million, fifty-three thousand, nine hundred eighty-one".