1301340 has 72 divisors (see below), whose sum is σ = 3901968. Its totient is φ = 323840.

The previous prime is 1301323. The next prime is 1301347. The reversal of 1301340 is 431031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31720 + ... + 31760.

It is an arithmetic number, because the mean of its divisors is an integer number (54194).

2^1301340 is an apocalyptic number.

1301340 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 1301340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950984).

1301340 is an abundant number, since it is smaller than the sum of its proper divisors (2600628).

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

1301340 is a wasteful number, since it uses less digits than its factorization.

1301340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1301340 is about 1140.7629026226. The cubic root of 1301340 is about 109.1767745692.

Adding to 1301340 its reverse (431031), we get a palindrome (1732371).

The spelling of 1301340 in words is "one million, three hundred one thousand, three hundred forty".