12919453 has 4 divisors (see below), whose sum is σ = 12937408. Its totient is φ = 12901500.

The previous prime is 12919451. The next prime is 12919463. The reversal of 12919453 is 35491921.

12919453 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35491921 = 23 ⋅1543127.

It is a cyclic number.

It is not a de Polignac number, because 12919453 - 2¹ = 12919451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7851 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (3234352).

Almost surely, 2^12919453 is an apocalyptic number.

It is an amenable number.

12919453 is a deficient number, since it is larger than the sum of its proper divisors (17955).

12919453 is an equidigital number, since it uses as much as digits as its factorization.

12919453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17954.

The product of its digits is 9720, while the sum is 34.

The square root of 12919453 is about 3594.3640605815. The cubic root of 12919453 is about 234.6468393828.

The spelling of 12919453 in words is "twelve million, nine hundred nineteen thousand, four hundred fifty-three".