1232806436 has 6 divisors (see below), whose sum is σ = 2157411270. Its totient is φ = 616403216.

The previous prime is 1232806411. The next prime is 1232806439. The reversal of 1232806436 is 6346082321.

It can be written as a sum of positive squares in only one way, i.e., 1225000000 + 7806436 = 35000^2 + 2794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1232806396 and 1232806405.

It is not an unprimeable number, because it can be changed into a prime (1232806439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154100801 + ... + 154100808.

It is an arithmetic number, because the mean of its divisors is an integer number (359568545).

Almost surely, 2^1232806436 is an apocalyptic number.

It is an amenable number.

1232806436 is a deficient number, since it is larger than the sum of its proper divisors (924604834).

1232806436 is a wasteful number, since it uses less digits than its factorization.

1232806436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308201613 (or 308201611 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1232806436 is about 35111.3434092175. The cubic root of 1232806436 is about 1072.2555372568.

Adding to 1232806436 its reverse (6346082321), we get a palindrome (7578888757).

The spelling of 1232806436 in words is "one billion, two hundred thirty-two million, eight hundred six thousand, four hundred thirty-six".