1247796 has 72 divisors (see below), whose sum is σ = 3616704. Its totient is φ = 359040.

The previous prime is 1247777. The next prime is 1247797. The reversal of 1247796 is 6977421.

It is a happy number.

1247796 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1247796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9040 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (50232).

2^1247796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1247796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808352).

1247796 is an abundant number, since it is smaller than the sum of its proper divisors (2368908).

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

1247796 is a wasteful number, since it uses less digits than its factorization.

1247796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 176 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 1247796 is about 1117.0478951236. The cubic root of 1247796 is about 107.6583856006.

The spelling of 1247796 in words is "one million, two hundred forty-seven thousand, seven hundred ninety-six".