1213224896 has 28 divisors (see below), whose sum is σ = 2592686712. Its totient is φ = 559949568.

The previous prime is 1213224871. The next prime is 1213224923. The reversal of 1213224896 is 6984223121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728270 + ... + 729933.

It is an arithmetic number, because the mean of its divisors is an integer number (92595954).

Almost surely, 2^1213224896 is an apocalyptic number.

1213224896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1213224896 is an abundant number, since it is smaller than the sum of its proper divisors (1379461816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213224896 is a wasteful number, since it uses less digits than its factorization.

1213224896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458228 (or 1458218 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 1213224896 is about 34831.3780376258. The cubic root of 1213224896 is about 1066.5480791775.

The spelling of 1213224896 in words is "one billion, two hundred thirteen million, two hundred twenty-four thousand, eight hundred ninety-six".