1630712 has 16 divisors (see below), whose sum is σ = 3123360. Its totient is φ = 797824.

The previous prime is 1630669. The next prime is 1630721. The reversal of 1630712 is 2170361.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (195210).

2^1630712 is an apocalyptic number.

It is an amenable number.

1630712 is a deficient number, since it is larger than the sum of its proper divisors (1492648).

1630712 is a wasteful number, since it uses less digits than its factorization.

1630712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390 (or 4386 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1630712 is about 1276.9933437571. The cubic root of 1630712 is about 117.7043253358.

The spelling of 1630712 in words is "one million, six hundred thirty thousand, seven hundred twelve".