1288300213 has 4 divisors (see below), whose sum is σ = 1294077568. Its totient is φ = 1282522860.

The previous prime is 1288300193. The next prime is 1288300229. The reversal of 1288300213 is 3120038821.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1288300213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288300313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888343 + ... + 2888788.

It is an arithmetic number, because the mean of its divisors is an integer number (323519392).

Almost surely, 2^1288300213 is an apocalyptic number.

It is an amenable number.

1288300213 is a deficient number, since it is larger than the sum of its proper divisors (5777355).

1288300213 is an equidigital number, since it uses as much as digits as its factorization.

1288300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777354.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1288300213 is about 35892.8992002597. The cubic root of 1288300213 is about 1088.1088924338.

The spelling of 1288300213 in words is "one billion, two hundred eighty-eight million, three hundred thousand, two hundred thirteen".