1232513808 has 80 divisors (see below), whose sum is σ = 3289164480. Its totient is φ = 397398528.

The previous prime is 1232513783. The next prime is 1232513809. The reversal of 1232513808 is 8083152321.

It is not an unprimeable number, because it can be changed into a prime (1232513809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315966 + ... + 319842.

It is an arithmetic number, because the mean of its divisors is an integer number (41114556).

Almost surely, 2^1232513808 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 1232513808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644582240).

1232513808 is an abundant number, since it is smaller than the sum of its proper divisors (2056650672).

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

1232513808 is a wasteful number, since it uses less digits than its factorization.

1232513808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1232513808 is about 35107.1760185863. The cubic root of 1232513808 is about 1072.1706910572.

It can be divided in two parts, 1232513 and 808, that added together give a palindrome (1233321).

The spelling of 1232513808 in words is "one billion, two hundred thirty-two million, five hundred thirteen thousand, eight hundred eight".