1300006216 has 8 divisors (see below), whose sum is σ = 2437511670. Its totient is φ = 650003104.

The previous prime is 1300006193. The next prime is 1300006259. The reversal of 1300006216 is 6126000031.

It can be written as a sum of positive squares in only one way, i.e., 786802500 + 513203716 = 28050^2 + 22654^2 .

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 = 1300006193 and 1300006202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81250381 + ... + 81250396.

Almost surely, 2^1300006216 is an apocalyptic number.

It is an amenable number.

1300006216 is a deficient number, since it is larger than the sum of its proper divisors (1137505454).

1300006216 is a wasteful number, since it uses less digits than its factorization.

1300006216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162500783 (or 162500779 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1300006216 is about 36055.5989549473. The cubic root of 1300006216 is about 1091.3946225707.

Adding to 1300006216 its reverse (6126000031), we get a palindrome (7426006247).

The spelling of 1300006216 in words is "one billion, three hundred million, six thousand, two hundred sixteen".