12922419 has 4 divisors (see below), whose sum is σ = 17229896. Its totient is φ = 8614944.

The previous prime is 12922417. The next prime is 12922433. The reversal of 12922419 is 91422921.

It is a happy number.

12922419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91422921 = 3 ⋅30474307.

It is not a de Polignac number, because 12922419 - 2¹ = 12922417 is a prime.

It is a super-2 number, since 2×12922419² = 333977825623122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12922411) 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, 2153734 + ... + 2153739.

It is an arithmetic number, because the mean of its divisors is an integer number (4307474).

Almost surely, 2^12922419 is an apocalyptic number.

12922419 is a deficient number, since it is larger than the sum of its proper divisors (4307477).

12922419 is an equidigital number, since it uses as much as digits as its factorization.

12922419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307476.

The product of its digits is 2592, while the sum is 30.

The square root of 12922419 is about 3594.7766272746. The cubic root of 12922419 is about 234.6647944586.

The spelling of 12922419 in words is "twelve million, nine hundred twenty-two thousand, four hundred nineteen".