12268619 has 4 divisors (see below), whose sum is σ = 13383960. Its totient is φ = 11153280.

The previous prime is 12268601. The next prime is 12268643. The reversal of 12268619 is 91686221.

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 12268619 - 2¹² = 12264523 is a prime.

It is a super-2 number, since 2×12268619² = 301038024334322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12268649) 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, 557654 + ... + 557675.

It is an arithmetic number, because the mean of its divisors is an integer number (3345990).

Almost surely, 2^12268619 is an apocalyptic number.

12268619 is a deficient number, since it is larger than the sum of its proper divisors (1115341).

12268619 is a wasteful number, since it uses less digits than its factorization.

12268619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115340.

The product of its digits is 10368, while the sum is 35.

The square root of 12268619 is about 3502.6588472188. The cubic root of 12268619 is about 230.6385469284.

The spelling of 12268619 in words is "twelve million, two hundred sixty-eight thousand, six hundred nineteen".