12912119 has 4 divisors (see below), whose sum is σ = 14085960. Its totient is φ = 11738280.

The previous prime is 12912103. The next prime is 12912139. The reversal of 12912119 is 91121921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12912119 - 2⁴ = 12912103 is a prime.

It is a super-2 number, since 2×12912119² = 333445634140322, 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 (12912139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586904 + ... + 586925.

It is an arithmetic number, because the mean of its divisors is an integer number (3521490).

Almost surely, 2^12912119 is an apocalyptic number.

12912119 is a deficient number, since it is larger than the sum of its proper divisors (1173841).

12912119 is a wasteful number, since it uses less digits than its factorization.

12912119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173840.

The product of its digits is 324, while the sum is 26.

The square root of 12912119 is about 3593.3437074680. The cubic root of 12912119 is about 234.6024302359.

It can be divided in two parts, 12912 and 119, that added together give a palindrome (13031).

The spelling of 12912119 in words is "twelve million, nine hundred twelve thousand, one hundred nineteen".