1300220 has 12 divisors (see below), whose sum is σ = 2730504. Its totient is φ = 520080.

The previous prime is 1300199. The next prime is 1300237. The reversal of 1300220 is 220031.

It is a junction number, because it is equal to n+sod(n) for n = 1300198 and 1300207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32486 + ... + 32525.

It is an arithmetic number, because the mean of its divisors is an integer number (227542).

2^1300220 is an apocalyptic number.

1300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300220 is an abundant number, since it is smaller than the sum of its proper divisors (1430284).

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

1300220 is a wasteful number, since it uses less digits than its factorization.

1300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65020 (or 65018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1300220 is about 1140.2718973999. The cubic root of 1300220 is about 109.1454445341.

Adding to 1300220 its reverse (220031), we get a palindrome (1520251).

The spelling of 1300220 in words is "one million, three hundred thousand, two hundred twenty".