1213675652 has 12 divisors (see below), whose sum is σ = 2427351360. Its totient is φ = 520146696.

The previous prime is 1213675621. The next prime is 1213675663. The reversal of 1213675652 is 2565763121.

It is a happy number.

1213675652 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21672752 + ... + 21672807.

It is an arithmetic number, because the mean of its divisors is an integer number (202279280).

Almost surely, 2^1213675652 is an apocalyptic number.

It is an amenable number.

1213675652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1213675652 is a wasteful number, since it uses less digits than its factorization.

1213675652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43345570 (or 43345568 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 1213675652 is about 34837.8479817569. The cubic root of 1213675652 is about 1066.6801496126.

The spelling of 1213675652 in words is "one billion, two hundred thirteen million, six hundred seventy-five thousand, six hundred fifty-two".