1220567013 has 12 divisors (see below), whose sum is σ = 1839695520. Its totient is φ = 778332456.

The previous prime is 1220567009. The next prime is 1220567039. The reversal of 1220567013 is 3107650221.

It is a happy number.

It is not a de Polignac number, because 1220567013 - 2² = 1220567009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220567053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2948023 + ... + 2948436.

It is an arithmetic number, because the mean of its divisors is an integer number (153307960).

Almost surely, 2^1220567013 is an apocalyptic number.

It is an amenable number.

1220567013 is a deficient number, since it is larger than the sum of its proper divisors (619128507).

1220567013 is a wasteful number, since it uses less digits than its factorization.

1220567013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896488 (or 5896485 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1220567013 is about 34936.6142177516. The cubic root of 1220567013 is about 1068.6952428291.

The spelling of 1220567013 in words is "one billion, two hundred twenty million, five hundred sixty-seven thousand, thirteen".