1566412 has 12 divisors (see below), whose sum is σ = 2776480. Its totient is φ = 773136.

The previous prime is 1566403. The next prime is 1566427. The reversal of 1566412 is 2146651.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2163 + ... + 2794.

2^1566412 is an apocalyptic number.

It is an amenable number.

1566412 is a deficient number, since it is larger than the sum of its proper divisors (1210068).

1566412 is a wasteful number, since it uses less digits than its factorization.

1566412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040 (or 5038 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1566412 is about 1251.5638217846. The cubic root of 1566412 is about 116.1364822414.

The spelling of 1566412 in words is "one million, five hundred sixty-six thousand, four hundred twelve".