12382390 has 32 divisors (see below), whose sum is σ = 23141376. Its totient is φ = 4767360.

The previous prime is 12382387. The next prime is 12382393. The reversal of 12382390 is 9328321.

It is an interprime number because it is at equal distance from previous prime (12382387) and next prime (12382393).

It is a super-2 number, since 2×12382390² = 306647164224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12382393) 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, 32139 + ... + 32521.

It is an arithmetic number, because the mean of its divisors is an integer number (723168).

Almost surely, 2^12382390 is an apocalyptic number.

12382390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12382390 is a deficient number, since it is larger than the sum of its proper divisors (10758986).

12382390 is a wasteful number, since it uses less digits than its factorization.

12382390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12382390 is about 3518.8620319643. The cubic root of 12382390 is about 231.3492838835.

The spelling of 12382390 in words is "twelve million, three hundred eighty-two thousand, three hundred ninety".