1332280 has 32 divisors (see below), whose sum is σ = 3157200. Its totient is φ = 504576.

The previous prime is 1332277. The next prime is 1332281. The reversal of 1332280 is 822331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 1636.

2^1332280 is an apocalyptic number.

1332280 is a gapful number since it is divisible by the number (10) 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 1332280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578600).

1332280 is an abundant number, since it is smaller than the sum of its proper divisors (1824920).

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

1332280 is a wasteful number, since it uses less digits than its factorization.

1332280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1332280 is about 1154.2443415499. The cubic root of 1332280 is about 110.0352504105.

The spelling of 1332280 in words is "one million, three hundred thirty-two thousand, two hundred eighty".