1246636 has 6 divisors (see below), whose sum is σ = 2181620. Its totient is φ = 623316.

The previous prime is 1246631. The next prime is 1246639. The reversal of 1246636 is 6366421.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1246631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155826 + ... + 155833.

2^1246636 is an apocalyptic number.

It is an amenable number.

1246636 is a deficient number, since it is larger than the sum of its proper divisors (934984).

1246636 is a wasteful number, since it uses less digits than its factorization.

1246636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311663 (or 311661 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1246636 is about 1116.5285486722. The cubic root of 1246636 is about 107.6250141077.

The spelling of 1246636 in words is "one million, two hundred forty-six thousand, six hundred thirty-six".