12923619 has 16 divisors (see below), whose sum is σ = 17825952. Its totient is φ = 8322048.

The previous prime is 12923609. The next prime is 12923623. The reversal of 12923619 is 91632921.

12923619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12923619 - 2⁹ = 12923107 is a prime.

It is a super-2 number, since 2×12923619² = 334039856114322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12923619.

It is not an unprimeable number, because it can be changed into a prime (12923609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18867 + ... + 19539.

It is an arithmetic number, because the mean of its divisors is an integer number (1114122).

Almost surely, 2^12923619 is an apocalyptic number.

12923619 is a deficient number, since it is larger than the sum of its proper divisors (4902333).

12923619 is a wasteful number, since it uses less digits than its factorization.

12923619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its digits is 5832, while the sum is 33.

The square root of 12923619 is about 3594.9435322408. The cubic root of 12923619 is about 234.6720580377.

The spelling of 12923619 in words is "twelve million, nine hundred twenty-three thousand, six hundred nineteen".