1880012 has 24 divisors (see below), whose sum is σ = 3586800. Its totient is φ = 858816.

The previous prime is 1879967. The next prime is 1880017. The reversal of 1880012 is 2100881.

It is not an unprimeable number, because it can be changed into a prime (1880017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (149450).

2^1880012 is an apocalyptic number.

It is an amenable number.

1880012 is a deficient number, since it is larger than the sum of its proper divisors (1706788).

1880012 is a wasteful number, since it uses less digits than its factorization.

1880012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1880012 is about 1371.1352960230. The cubic root of 1880012 is about 123.4203784510.

Adding to 1880012 its reverse (2100881), we get a palindrome (3980893).

The spelling of 1880012 in words is "one million, eight hundred eighty thousand, twelve".