1300216 has 8 divisors (see below), whose sum is σ = 2437920. Its totient is φ = 650104.

The previous prime is 1300199. The next prime is 1300237. The reversal of 1300216 is 6120031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1300196 and 1300205.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 81256 + ... + 81271.

It is an arithmetic number, because the mean of its divisors is an integer number (304740).

2^1300216 is an apocalyptic number.

1300216 is the 610-th centered heptagonal number.

It is an amenable number.

1300216 is a deficient number, since it is larger than the sum of its proper divisors (1137704).

1300216 is a wasteful number, since it uses less digits than its factorization.

1300216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162533 (or 162529 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1300216 is about 1140.2701434309. The cubic root of 1300216 is about 109.1453326089.

Adding to 1300216 its reverse (6120031), we get a palindrome (7420247).

The spelling of 1300216 in words is "one million, three hundred thousand, two hundred sixteen".