12031386 has 8 divisors (see below), whose sum is σ = 24062784. Its totient is φ = 4010460.

The previous prime is 12031373. The next prime is 12031387. The reversal of 12031386 is 68313021.

It is a sphenic number, since it is the product of 3 distinct primes.

12031386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12031387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002610 + ... + 1002621.

It is an arithmetic number, because the mean of its divisors is an integer number (3007848).

Almost surely, 2^12031386 is an apocalyptic number.

12031386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12031386 is a wasteful number, since it uses less digits than its factorization.

12031386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005236.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12031386 is about 3468.6288357217. The cubic root of 12031386 is about 229.1422747519.

The spelling of 12031386 in words is "twelve million, thirty-one thousand, three hundred eighty-six".