1988012 has 12 divisors (see below), whose sum is σ = 3746736. Its totient is φ = 917520.

The previous prime is 1988011. The next prime is 1988023. The reversal of 1988012 is 2108891.

It is not an unprimeable number, because it can be changed into a prime (1988011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19064 + ... + 19167.

It is an arithmetic number, because the mean of its divisors is an integer number (312228).

2^1988012 is an apocalyptic number.

It is an amenable number.

1988012 is a deficient number, since it is larger than the sum of its proper divisors (1758724).

1988012 is a wasteful number, since it uses less digits than its factorization.

1988012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38248 (or 38246 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1988012 is about 1409.9687939809. The cubic root of 1988012 is about 125.7398681211.

The spelling of 1988012 in words is "one million, nine hundred eighty-eight thousand, twelve".