12581119 has 2 divisors, whose sum is σ = 12581120. Its totient is φ = 12581118.

The previous prime is 12581117. The next prime is 12581123. The reversal of 12581119 is 91118521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12581119 - 2¹ = 12581117 is a prime.

It is a super-2 number, since 2×12581119² = 316569110584322, which contains 22 as substring.

Together with 12581117, it forms a pair of twin primes.

It is equal to p₈₂₃₆₄₅ and since 12581119 and 823645 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12581111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6290559 + 6290560.

It is an arithmetic number, because the mean of its divisors is an integer number (6290560).

Almost surely, 2^12581119 is an apocalyptic number.

12581119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12581119 is an equidigital number, since it uses as much as digits as its factorization.

12581119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 28.

The square root of 12581119 is about 3546.9873131998. The cubic root of 12581119 is about 232.5803876648.

The spelling of 12581119 in words is "twelve million, five hundred eighty-one thousand, one hundred nineteen".