1346280 has 64 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 331008.

The previous prime is 1346273. The next prime is 1346309. The reversal of 1346280 is 826431.

1346280 = T₁₄₂ + T₁₄₃ + ... + T₂₂₁.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1346280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1346280 is an apocalyptic number.

1346280 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 1346280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177280).

1346280 is an abundant number, since it is smaller than the sum of its proper divisors (3008280).

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

1346280 is a wasteful number, since it uses less digits than its factorization.

1346280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1346280 is about 1160.2930664276. The cubic root of 1346280 is about 110.4193360377.

The spelling of 1346280 in words is "one million, three hundred forty-six thousand, two hundred eighty".