1344780 has 72 divisors (see below), whose sum is σ = 4228224. Its totient is φ = 345600.

The previous prime is 1344779. The next prime is 1344781. The reversal of 1344780 is 874431.

It is an interprime number because it is at equal distance from previous prime (1344779) and next prime (1344781).

It is not an unprimeable number, because it can be changed into a prime (1344781) 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 23 ways as a sum of consecutive naturals, for example, 5460 + ... + 5700.

2^1344780 is an apocalyptic number.

1344780 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 1344780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2114112).

1344780 is an abundant number, since it is smaller than the sum of its proper divisors (2883444).

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

1344780 is a wasteful number, since it uses less digits than its factorization.

1344780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 282 counting only the distinct ones).

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

The square root of 1344780 is about 1159.6464978604. The cubic root of 1344780 is about 110.3783117446.

The spelling of 1344780 in words is "one million, three hundred forty-four thousand, seven hundred eighty".