1213300307 has 2 divisors, whose sum is σ = 1213300308. Its totient is φ = 1213300306.

The previous prime is 1213300279. The next prime is 1213300349. The reversal of 1213300307 is 7030033121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213300307 - 2²⁴ = 1196523091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213300397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606650153 + 606650154.

It is an arithmetic number, because the mean of its divisors is an integer number (606650154).

Almost surely, 2^1213300307 is an apocalyptic number.

1213300307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213300307 is an equidigital number, since it uses as much as digits as its factorization.

1213300307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 1213300307 is about 34832.4605361149. The cubic root of 1213300307 is about 1066.5701766994.

Adding to 1213300307 its reverse (7030033121), we get a palindrome (8243333428).

The spelling of 1213300307 in words is "one billion, two hundred thirteen million, three hundred thousand, three hundred seven".