12052019 has 4 divisors (see below), whose sum is σ = 13773744. Its totient is φ = 10330296.

The previous prime is 12052009. The next prime is 12052039. The reversal of 12052019 is 91025021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12052019 is a prime.

It is a super-2 number, since 2×12052019² = 290502323952722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12052009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860852 + ... + 860865.

It is an arithmetic number, because the mean of its divisors is an integer number (3443436).

Almost surely, 2^12052019 is an apocalyptic number.

12052019 is a deficient number, since it is larger than the sum of its proper divisors (1721725).

12052019 is an equidigital number, since it uses as much as digits as its factorization.

12052019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721724.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 12052019 is about 3471.6017916806. The cubic root of 12052019 is about 229.2731876951.

The spelling of 12052019 in words is "twelve million, fifty-two thousand, nineteen".