1213285382 has 8 divisors (see below), whose sum is σ = 1820086200. Its totient is φ = 606589984.

The previous prime is 1213285363. The next prime is 1213285387. The reversal of 1213285382 is 2835823121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1213285382³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213285387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16094 + ... + 51822.

It is an arithmetic number, because the mean of its divisors is an integer number (227510775).

Almost surely, 2^1213285382 is an apocalyptic number.

1213285382 is a deficient number, since it is larger than the sum of its proper divisors (606800818).

1213285382 is a wasteful number, since it uses less digits than its factorization.

1213285382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52710.

The product of its digits is 23040, while the sum is 35.

The square root of 1213285382 is about 34832.2462956382. The cubic root of 1213285382 is about 1066.5658033317.

The spelling of 1213285382 in words is "one billion, two hundred thirteen million, two hundred eighty-five thousand, three hundred eighty-two".