1213050328 has 64 divisors (see below), whose sum is σ = 2679747840. Its totient is φ = 503915904.

The previous prime is 1213050301. The next prime is 1213050329. The reversal of 1213050328 is 8230503121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213050329) 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, 635151 + ... + 637057.

It is an arithmetic number, because the mean of its divisors is an integer number (41871060).

Almost surely, 2^1213050328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213050328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339873920).

1213050328 is an abundant number, since it is smaller than the sum of its proper divisors (1466697512).

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

1213050328 is a wasteful number, since it uses less digits than its factorization.

1213050328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1213050328 is about 34828.8720460482. The cubic root of 1213050328 is about 1066.4969223815.

Adding to 1213050328 its reverse (8230503121), we get a palindrome (9443553449).

The spelling of 1213050328 in words is "one billion, two hundred thirteen million, fifty thousand, three hundred twenty-eight".