1303980 has 48 divisors (see below), whose sum is σ = 3704064. Its totient is φ = 342720.

The previous prime is 1303979. The next prime is 1303987. The reversal of 1303980 is 893031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6075 + ... + 6285.

It is an arithmetic number, because the mean of its divisors is an integer number (77168).

2^1303980 is an apocalyptic number.

1303980 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 1303980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852032).

1303980 is an abundant number, since it is smaller than the sum of its proper divisors (2400084).

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

1303980 is a wasteful number, since it uses less digits than its factorization.

1303980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1303980 is about 1141.9194367380. The cubic root of 1303980 is about 109.2505528793.

The spelling of 1303980 in words is "one million, three hundred three thousand, nine hundred eighty".