12019430 has 16 divisors (see below), whose sum is σ = 21835440. Its totient is φ = 4763232.

The previous prime is 12019429. The next prime is 12019433. The reversal of 12019430 is 3491021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4424 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (1364715).

Almost surely, 2^12019430 is an apocalyptic number.

12019430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12019430 is a deficient number, since it is larger than the sum of its proper divisors (9816010).

12019430 is a wasteful number, since it uses less digits than its factorization.

12019430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12019430 is about 3466.9049597588. The cubic root of 12019430 is about 229.0663474225.

The spelling of 12019430 in words is "twelve million, nineteen thousand, four hundred thirty".