1343040 has 56 divisors (see below), whose sum is σ = 4267200. Its totient is φ = 357888.

The previous prime is 1343033. The next prime is 1343047. The reversal of 1343040 is 403431.

It is an interprime number because it is at equal distance from previous prime (1343033) and next prime (1343047).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1343047) 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, 261 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (76200).

2^1343040 is an apocalyptic number.

1343040 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 1343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133600).

1343040 is an abundant number, since it is smaller than the sum of its proper divisors (2924160).

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

1343040 is a wasteful number, since it uses less digits than its factorization.

1343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1343040 is about 1158.8960263975. The cubic root of 1343040 is about 110.3306853284.

Adding to 1343040 its reverse (403431), we get a palindrome (1746471).

The spelling of 1343040 in words is "one million, three hundred forty-three thousand, forty".