12019622 has 4 divisors (see below), whose sum is σ = 18029436. Its totient is φ = 6009810.

The previous prime is 12019619. The next prime is 12019627. The reversal of 12019622 is 22691021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3004904 + ... + 3004907.

It is an arithmetic number, because the mean of its divisors is an integer number (4507359).

Almost surely, 2^12019622 is an apocalyptic number.

12019622 is a deficient number, since it is larger than the sum of its proper divisors (6009814).

12019622 is an equidigital number, since it uses as much as digits as its factorization.

12019622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009813.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12019622 is about 3466.9326500525. The cubic root of 12019622 is about 229.0675671283.

The spelling of 12019622 in words is "twelve million, nineteen thousand, six hundred twenty-two".