12051994 has 16 divisors (see below), whose sum is σ = 19307520. Its totient is φ = 5629680.

The previous prime is 12051983. The next prime is 12052009. The reversal of 12051994 is 49915021.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (1206720).

Almost surely, 2^12051994 is an apocalyptic number.

12051994 is a deficient number, since it is larger than the sum of its proper divisors (7255526).

12051994 is a wasteful number, since it uses less digits than its factorization.

12051994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 12051994 is about 3471.5981910354. The cubic root of 12051994 is about 229.2730291647.

The spelling of 12051994 in words is "twelve million, fifty-one thousand, nine hundred ninety-four".