12608019 has 6 divisors (see below), whose sum is σ = 18211596. Its totient is φ = 8405340.

The previous prime is 12608017. The next prime is 12608021. The reversal of 12608019 is 91080621.

It is an interprime number because it is at equal distance from previous prime (12608017) and next prime (12608021).

It is not a de Polignac number, because 12608019 - 2¹ = 12608017 is a prime.

It is a super-2 number, since 2×12608019² = 317924286208722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12607983 and 12608001.

It is not an unprimeable number, because it can be changed into a prime (12608017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700437 + ... + 700454.

It is an arithmetic number, because the mean of its divisors is an integer number (3035266).

Almost surely, 2^12608019 is an apocalyptic number.

12608019 is a deficient number, since it is larger than the sum of its proper divisors (5603577).

12608019 is a wasteful number, since it uses less digits than its factorization.

12608019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400897 (or 1400894 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12608019 is about 3550.7772388591. Note that the first 3 decimals coincide. The cubic root of 12608019 is about 232.7460316143.

The spelling of 12608019 in words is "twelve million, six hundred eight thousand, nineteen".