1012646 has 8 divisors (see below), whose sum is σ = 1568064. Its totient is φ = 489960.

The previous prime is 1012637. The next prime is 1012657. The reversal of 1012646 is 6462101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 8105 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (196008).

2^1012646 is an apocalyptic number.

1012646 is a deficient number, since it is larger than the sum of its proper divisors (555418).

1012646 is a wasteful number, since it uses less digits than its factorization.

1012646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16366.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1012646 is about 1006.3031352431. The cubic root of 1012646 is about 100.4197688093.

Adding to 1012646 its reverse (6462101), we get a palindrome (7474747).

The spelling of 1012646 in words is "one million, twelve thousand, six hundred forty-six".