12468919 has 4 divisors (see below), whose sum is σ = 12479680. Its totient is φ = 12458160.

The previous prime is 12468899. The next prime is 12468931. The reversal of 12468919 is 91986421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 91986421 = 6361 ⋅14461.

It is a cyclic number.

It is not a de Polignac number, because 12468919 - 2⁵ = 12468887 is a prime.

It is a super-2 number, since 2×12468919² = 310947882057122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12468979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399 + ... + 6040.

It is an arithmetic number, because the mean of its divisors is an integer number (3119920).

Almost surely, 2^12468919 is an apocalyptic number.

12468919 is a deficient number, since it is larger than the sum of its proper divisors (10761).

12468919 is an equidigital number, since it uses as much as digits as its factorization.

12468919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760.

The product of its digits is 31104, while the sum is 40.

The square root of 12468919 is about 3531.1356530159. The cubic root of 12468919 is about 231.8869284022.

The spelling of 12468919 in words is "twelve million, four hundred sixty-eight thousand, nine hundred nineteen".