1300221213 has 4 divisors (see below), whose sum is σ = 1733628288. Its totient is φ = 866814140.

The previous prime is 1300221199. The next prime is 1300221227. The reversal of 1300221213 is 3121220031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3121220031 = 3 ⋅1040406677.

It is an interprime number because it is at equal distance from previous prime (1300221199) and next prime (1300221227).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300221213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300221192 and 1300221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300221413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216703533 + ... + 216703538.

It is an arithmetic number, because the mean of its divisors is an integer number (433407072).

Almost surely, 2^1300221213 is an apocalyptic number.

It is an amenable number.

1300221213 is a deficient number, since it is larger than the sum of its proper divisors (433407075).

1300221213 is an equidigital number, since it uses as much as digits as its factorization.

1300221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433407074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1300221213 is about 36058.5802965120. The cubic root of 1300221213 is about 1091.4547847536.

Adding to 1300221213 its reverse (3121220031), we get a palindrome (4421441244).

The spelling of 1300221213 in words is "one billion, three hundred million, two hundred twenty-one thousand, two hundred thirteen".