1230686832 has 80 divisors (see below), whose sum is σ = 3332786688. Its totient is φ = 390888960.

The previous prime is 1230686827. The next prime is 1230686851. The reversal of 1230686832 is 2386860321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77353 + ... + 91895.

Almost surely, 2^1230686832 is an apocalyptic number.

1230686832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230686832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666393344).

1230686832 is an abundant number, since it is smaller than the sum of its proper divisors (2102099856).

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

1230686832 is a wasteful number, since it uses less digits than its factorization.

1230686832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14638 (or 14632 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1230686832 is about 35081.1463894782. The cubic root of 1230686832 is about 1071.6406635165.

The spelling of 1230686832 in words is "one billion, two hundred thirty million, six hundred eighty-six thousand, eight hundred thirty-two".