12019738 has 8 divisors (see below), whose sum is σ = 18198432. Its totient is φ = 5953596.

The previous prime is 12019729. The next prime is 12019753. The reversal of 12019738 is 83791021.

12019738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27870 + ... + 28297.

It is an arithmetic number, because the mean of its divisors is an integer number (2274804).

Almost surely, 2^12019738 is an apocalyptic number.

12019738 is a deficient number, since it is larger than the sum of its proper divisors (6178694).

12019738 is a wasteful number, since it uses less digits than its factorization.

12019738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56276.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12019738 is about 3466.9493794978. The cubic root of 12019738 is about 229.0683040275.

The spelling of 12019738 in words is "twelve million, nineteen thousand, seven hundred thirty-eight".