1232581896 has 288 divisors, whose sum is σ = 4282200000. Its totient is φ = 313238016.

The previous prime is 1232581877. The next prime is 1232581897. The reversal of 1232581896 is 6981852321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232581897) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2469855 + ... + 2470353.

It is an arithmetic number, because the mean of its divisors is an integer number (14868750).

Almost surely, 2^1232581896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232581896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2141100000).

1232581896 is an abundant number, since it is smaller than the sum of its proper divisors (3049618104).

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

1232581896 is a wasteful number, since it uses less digits than its factorization.

1232581896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 553 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1232581896 is about 35108.1457214704. The cubic root of 1232581896 is about 1072.1904340716.

The spelling of 1232581896 in words is "one billion, two hundred thirty-two million, five hundred eighty-one thousand, eight hundred ninety-six".