1246992 has 40 divisors (see below), whose sum is σ = 3270624. Its totient is φ = 409344.

The previous prime is 1246963. The next prime is 1246997. The reversal of 1246992 is 2996421.

It is not an unprimeable number, because it can be changed into a prime (1246997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3828 + ... + 4140.

2^1246992 is an apocalyptic number.

1246992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1246992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635312).

1246992 is an abundant number, since it is smaller than the sum of its proper divisors (2023632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1246992 is a wasteful number, since it uses less digits than its factorization.

1246992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 1246992 is about 1116.6879599960. The cubic root of 1246992 is about 107.6352579047.

It can be divided in two parts, 12469 and 92, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 1246992 in words is "one million, two hundred forty-six thousand, nine hundred ninety-two".