12382890 has 32 divisors (see below), whose sum is σ = 32006016. Its totient is φ = 3048000.

The previous prime is 12382859. The next prime is 12382891. The reversal of 12382890 is 9828321.

It is not an unprimeable number, because it can be changed into a prime (12382891) 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, 15486 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (1000188).

Almost surely, 2^12382890 is an apocalyptic number.

12382890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12382890 is an abundant number, since it is smaller than the sum of its proper divisors (19623126).

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

12382890 is a wasteful number, since it uses less digits than its factorization.

12382890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31774.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12382890 is about 3518.9330769425. The cubic root of 12382890 is about 231.3523977973.

The spelling of 12382890 in words is "twelve million, three hundred eighty-two thousand, eight hundred ninety".