1232806656 has 36 divisors (see below), whose sum is σ = 3281065592. Its totient is φ = 410935296.

The previous prime is 1232806649. The next prime is 1232806657. The reversal of 1232806656 is 6566082321.

It is not an unprimeable number, because it can be changed into a prime (1232806657) 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, 801841 + ... + 803376.

Almost surely, 2^1232806656 is an apocalyptic number.

1232806656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1232806656 is an abundant number, since it is smaller than the sum of its proper divisors (2048258936).

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

1232806656 is an equidigital number, since it uses as much as digits as its factorization.

1232806656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605236 (or 1605222 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1232806656 is about 35111.3465421080. The cubic root of 1232806656 is about 1072.2556010398.

Adding to 1232806656 its reverse (6566082321), we get a palindrome (7798888977).

The spelling of 1232806656 in words is "one billion, two hundred thirty-two million, eight hundred six thousand, six hundred fifty-six".