1224288713 has 8 divisors (see below), whose sum is σ = 1242138240. Its totient is φ = 1206456160.

The previous prime is 1224288691. The next prime is 1224288773. The reversal of 1224288713 is 3178824221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224288713 - 2¹⁰ = 1224287689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224288773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247973 + ... + 252861.

It is an arithmetic number, because the mean of its divisors is an integer number (155267280).

Almost surely, 2^1224288713 is an apocalyptic number.

It is an amenable number.

1224288713 is a deficient number, since it is larger than the sum of its proper divisors (17849527).

1224288713 is an equidigital number, since it uses as much as digits as its factorization.

1224288713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487.

The product of its digits is 43008, while the sum is 38.

The square root of 1224288713 is about 34989.8372817022. The cubic root of 1224288713 is about 1069.7803470860.

The spelling of 1224288713 in words is "one billion, two hundred twenty-four million, two hundred eighty-eight thousand, seven hundred thirteen".