12070819 has 4 divisors (see below), whose sum is σ = 12123760. Its totient is φ = 12017880.

The previous prime is 12070801. The next prime is 12070847. The reversal of 12070819 is 91807021.

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 12070819 - 2⁷ = 12070691 is a prime.

It is a super-2 number, since 2×12070819² = 291409342661522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12074819) 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, 26127 + ... + 26584.

It is an arithmetic number, because the mean of its divisors is an integer number (3030940).

Almost surely, 2^12070819 is an apocalyptic number.

12070819 is a deficient number, since it is larger than the sum of its proper divisors (52941).

12070819 is an equidigital number, since it uses as much as digits as its factorization.

12070819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52940.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 12070819 is about 3474.3084203910. The cubic root of 12070819 is about 229.3923405284.

The spelling of 12070819 in words is "twelve million, seventy thousand, eight hundred nineteen".