1320479213 has 2 divisors, whose sum is σ = 1320479214. Its totient is φ = 1320479212.

The previous prime is 1320479201. The next prime is 1320479219. The reversal of 1320479213 is 3129740231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1290030889 + 30448324 = 35917^2 + 5518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320479213 - 2¹⁰ = 1320478189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320479213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320479219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660239606 + 660239607.

It is an arithmetic number, because the mean of its divisors is an integer number (660239607).

Almost surely, 2^1320479213 is an apocalyptic number.

It is an amenable number.

1320479213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320479213 is an equidigital number, since it uses as much as digits as its factorization.

1320479213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1320479213 is about 36338.3986025802. The cubic root of 1320479213 is about 1097.0940414257.

The spelling of 1320479213 in words is "one billion, three hundred twenty million, four hundred seventy-nine thousand, two hundred thirteen".