1232784 has 60 divisors (see below), whose sum is σ = 3946176. Its totient is φ = 351936.

The previous prime is 1232771. The next prime is 1232797. The reversal of 1232784 is 4872321.

It is an interprime number because it is at equal distance from previous prime (1232771) and next prime (1232797).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397 + ... + 1619.

2^1232784 is an apocalyptic number.

1232784 is a gapful number since it is divisible by the number (14) 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 1232784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973088).

1232784 is an abundant number, since it is smaller than the sum of its proper divisors (2713392).

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

1232784 is a wasteful number, since it uses less digits than its factorization.

1232784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1235 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1232784 is about 1110.3080653584. The cubic root of 1232784 is about 107.2249032513.

Subtracting from 1232784 its product of digits (2688), we obtain a triangular number (1230096 = T₁₅₆₈).

It can be divided in two parts, 1232 and 784, that added together give a triangular number (2016 = T₆₃).

The spelling of 1232784 in words is "one million, two hundred thirty-two thousand, seven hundred eighty-four".