12287832 has 32 divisors (see below), whose sum is σ = 32337600. Its totient is φ = 3880224.

The previous prime is 12287831. The next prime is 12287833. The reversal of 12287832 is 23878221.

It is an interprime number because it is at equal distance from previous prime (12287831) and next prime (12287833).

It is a junction number, because it is equal to n+sod(n) for n = 12287793 and 12287802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13018 + ... + 13929.

It is an arithmetic number, because the mean of its divisors is an integer number (1010550).

Almost surely, 2^12287832 is an apocalyptic number.

12287832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12287832 is an abundant number, since it is smaller than the sum of its proper divisors (20049768).

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

12287832 is a wasteful number, since it uses less digits than its factorization.

12287832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26975 (or 26971 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 12287832 is about 3505.4004050893. The cubic root of 12287832 is about 230.7588796041.

The spelling of 12287832 in words is "twelve million, two hundred eighty-seven thousand, eight hundred thirty-two".