12080381 has 2 divisors, whose sum is σ = 12080382. Its totient is φ = 12080380.

The previous prime is 12080357. The next prime is 12080399. The reversal of 12080381 is 18308021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 4268356 = 2795^2 + 2066^2 .

It is a cyclic number.

It is not a de Polignac number, because 12080381 - 2⁶ = 12080317 is a prime.

It is a super-2 number, since 2×12080381² = 291871210210322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12080311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040190 + 6040191.

It is an arithmetic number, because the mean of its divisors is an integer number (6040191).

Almost surely, 2^12080381 is an apocalyptic number.

It is an amenable number.

12080381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12080381 is an equidigital number, since it uses as much as digits as its factorization.

12080381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12080381 is about 3475.6842491803. The cubic root of 12080381 is about 229.4528962269.

The spelling of 12080381 in words is "twelve million, eighty thousand, three hundred eighty-one".