12118619 has 2 divisors, whose sum is σ = 12118620. Its totient is φ = 12118618.

The previous prime is 12118597. The next prime is 12118627. The reversal of 12118619 is 91681121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12118619 is a prime.

It is a super-2 number, since 2×12118619² = 293721852934322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12118591 and 12118600.

It is not a weakly prime, because it can be changed into another prime (12118669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059309 + 6059310.

It is an arithmetic number, because the mean of its divisors is an integer number (6059310).

Almost surely, 2^12118619 is an apocalyptic number.

12118619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118619 is an equidigital number, since it uses as much as digits as its factorization.

12118619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 29.

The square root of 12118619 is about 3481.1806905129. The cubic root of 12118619 is about 229.6947368013.

The spelling of 12118619 in words is "twelve million, one hundred eighteen thousand, six hundred nineteen".