12919470 has 16 divisors (see below), whose sum is σ = 31006800. Its totient is φ = 3445184.

The previous prime is 12919463. The next prime is 12919483. The reversal of 12919470 is 7491921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 215295 + ... + 215354.

It is an arithmetic number, because the mean of its divisors is an integer number (1937925).

Almost surely, 2^12919470 is an apocalyptic number.

12919470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12919470 is an abundant number, since it is smaller than the sum of its proper divisors (18087330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12919470 is a wasteful number, since it uses less digits than its factorization.

12919470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430659.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 12919470 is about 3594.3664253940. The cubic root of 12919470 is about 234.6469423024.

The spelling of 12919470 in words is "twelve million, nine hundred nineteen thousand, four hundred seventy".