1214447317 has 4 divisors (see below), whose sum is σ = 1216769920. Its totient is φ = 1212124716.

The previous prime is 1214447249. The next prime is 1214447321. The reversal of 1214447317 is 7137444121.

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 not a de Polignac number, because 1214447317 - 2¹⁵ = 1214414549 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 (1214447387) 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, 1160517 + ... + 1161562.

It is an arithmetic number, because the mean of its divisors is an integer number (304192480).

Almost surely, 2^1214447317 is an apocalyptic number.

It is an amenable number.

1214447317 is a deficient number, since it is larger than the sum of its proper divisors (2322603).

1214447317 is an equidigital number, since it uses as much as digits as its factorization.

1214447317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322602.

The product of its digits is 18816, while the sum is 34.

The square root of 1214447317 is about 34848.9213175960. The cubic root of 1214447317 is about 1066.9061697328.

The spelling of 1214447317 in words is "one billion, two hundred fourteen million, four hundred forty-seven thousand, three hundred seventeen".