12534619 has 2 divisors, whose sum is σ = 12534620. Its totient is φ = 12534618.

The previous prime is 12534617. The next prime is 12534637. The reversal of 12534619 is 91643521.

It is a weak prime.

It is an emirp because it is prime and its reverse (91643521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12534619 - 2¹ = 12534617 is a prime.

It is a super-2 number, since 2×12534619² = 314233346950322, which contains 22 as substring.

Together with 12534617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12534617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267309 + 6267310.

It is an arithmetic number, because the mean of its divisors is an integer number (6267310).

Almost surely, 2^12534619 is an apocalyptic number.

12534619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12534619 is an equidigital number, since it uses as much as digits as its factorization.

12534619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 12534619 is about 3540.4263867506. The cubic root of 12534619 is about 232.2934937467.

The spelling of 12534619 in words is "twelve million, five hundred thirty-four thousand, six hundred nineteen".