12312888 has 32 divisors (see below), whose sum is σ = 35180160.
Its totient is φ = 3517920.
The previous prime is 12312877. The next prime is 12312899. The reversal of 12312888 is 88821321.
It is an interprime number because it is at equal distance from previous prime (12312877) and next prime (12312899).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36478 + ... + 36813.
It is an arithmetic number, because the mean of its divisors is an integer number (1099380).
Almost surely, 212312888 is an apocalyptic number.
It is an amenable number.
12312888 is an abundant number, since it is smaller than the sum of its proper divisors (22867272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12312888 is a wasteful number, since it uses less digits than its factorization.
12312888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73307 (or 73303 counting only the distinct ones).
The product of its digits is 6144, while the sum is 33.
The square root of 12312888 is about 3508.9724991798.
The cubic root of 12312888 is about 230.9156191873.
The spelling of 12312888 in words is "twelve million, three hundred twelve thousand, eight hundred eighty-eight".