12519081 has 24 divisors (see below), whose sum is σ = 19188000. Its totient is φ = 7843392.

The previous prime is 12519079. The next prime is 12519083. The reversal of 12519081 is 18091521.

It is an interprime number because it is at equal distance from previous prime (12519079) and next prime (12519083).

It is not a de Polignac number, because 12519081 - 2¹ = 12519079 is a prime.

It is a super-2 number, since 2×12519081² = 313454778169122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12519083) 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 in 23 ways as a sum of consecutive naturals, for example, 30405 + ... + 30813.

It is an arithmetic number, because the mean of its divisors is an integer number (799500).

Almost surely, 2^12519081 is an apocalyptic number.

It is an amenable number.

12519081 is a deficient number, since it is larger than the sum of its proper divisors (6668919).

12519081 is a wasteful number, since it uses less digits than its factorization.

12519081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 12519081 is about 3538.2313378297. The cubic root of 12519081 is about 232.1974698538.

The spelling of 12519081 in words is "twelve million, five hundred nineteen thousand, eighty-one".