1213466339 has 2 divisors, whose sum is σ = 1213466340. Its totient is φ = 1213466338.

The previous prime is 1213466333. The next prime is 1213466347. The reversal of 1213466339 is 9336643121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213466339 - 2⁸ = 1213466083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1213466333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606733169 + 606733170.

It is an arithmetic number, because the mean of its divisors is an integer number (606733170).

Almost surely, 2^1213466339 is an apocalyptic number.

1213466339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213466339 is an equidigital number, since it uses as much as digits as its factorization.

1213466339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 1213466339 is about 34834.8437487525. The cubic root of 1213466339 is about 1066.6188254693.

The spelling of 1213466339 in words is "one billion, two hundred thirteen million, four hundred sixty-six thousand, three hundred thirty-nine".