12481619 has 2 divisors, whose sum is σ = 12481620. Its totient is φ = 12481618.

The previous prime is 12481559. The next prime is 12481633. The reversal of 12481619 is 91618421.

It is a strong prime.

It is an emirp because it is prime and its reverse (91618421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12481619 - 2¹⁶ = 12416083 is a prime.

It is a super-2 number, since 2×12481619² = 311581625722322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12481219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240809 + 6240810.

It is an arithmetic number, because the mean of its divisors is an integer number (6240810).

Almost surely, 2^12481619 is an apocalyptic number.

12481619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481619 is an equidigital number, since it uses as much as digits as its factorization.

12481619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 32.

The square root of 12481619 is about 3532.9334836648. The cubic root of 12481619 is about 231.9656298172.

The spelling of 12481619 in words is "twelve million, four hundred eighty-one thousand, six hundred nineteen".