12040194 has 16 divisors (see below), whose sum is σ = 24137568. Its totient is φ = 4003872.

The previous prime is 12040181. The next prime is 12040211. The reversal of 12040194 is 49104021.

It is a self number, because there is not a number n which added to its sum of digits gives 12040194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (1508598).

Almost surely, 2^12040194 is an apocalyptic number.

12040194 is an abundant number, since it is smaller than the sum of its proper divisors (12097374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12040194 is a wasteful number, since it uses less digits than its factorization.

12040194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12040194 is about 3469.8982694021. The cubic root of 12040194 is about 229.1981783371.

The spelling of 12040194 in words is "twelve million, forty thousand, one hundred ninety-four".