1224788704513 has 16 divisors (see below), whose sum is σ = 1350052494336. Its totient is φ = 1101859989840.

The previous prime is 1224788704483. The next prime is 1224788704541. The reversal of 1224788704513 is 3154078874221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1224788704513 - 2⁵ = 1224788704481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224788704583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238020 + ... + 1995562.

It is an arithmetic number, because the mean of its divisors is an integer number (84378280896).

Almost surely, 2^{1224788704513} is an apocalyptic number.

It is an amenable number.

1224788704513 is a deficient number, since it is larger than the sum of its proper divisors (125263789823).

1224788704513 is a wasteful number, since it uses less digits than its factorization.

1224788704513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759084.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 1224788704513 in words is "one trillion, two hundred twenty-four billion, seven hundred eighty-eight million, seven hundred four thousand, five hundred thirteen".