1285612 has 6 divisors (see below), whose sum is σ = 2249828. Its totient is φ = 642804.

The previous prime is 1285607. The next prime is 1285619. The reversal of 1285612 is 2165821.

It is not an unprimeable number, because it can be changed into a prime (1285619) 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 as a sum of consecutive naturals, namely, 160698 + ... + 160705.

2^1285612 is an apocalyptic number.

It is an amenable number.

1285612 is a deficient number, since it is larger than the sum of its proper divisors (964216).

1285612 is a wasteful number, since it uses less digits than its factorization.

1285612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321407 (or 321405 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1285612 is about 1133.8483143701. The cubic root of 1285612 is about 108.7351536522.

The spelling of 1285612 in words is "one million, two hundred eighty-five thousand, six hundred twelve".