812611232 has 12 divisors (see below), whose sum is σ = 1599828426. Its totient is φ = 406305600.

The previous prime is 812611213. The next prime is 812611243. The reversal of 812611232 is 232116218.

812611232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 777517456 + 35093776 = 27884^2 + 5924^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12697019 + ... + 12697082.

Almost surely, 2^812611232 is an apocalyptic number.

It is an amenable number.

812611232 is a deficient number, since it is larger than the sum of its proper divisors (787217194).

812611232 is a wasteful number, since it uses less digits than its factorization.

812611232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25394111 (or 25394103 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 812611232 is about 28506.3366990569. The cubic root of 812611232 is about 933.1703692799.

The spelling of 812611232 in words is "eight hundred twelve million, six hundred eleven thousand, two hundred thirty-two".