12230381 has 8 divisors (see below), whose sum is σ = 12476640. Its totient is φ = 11986128.

The previous prime is 12230377. The next prime is 12230417. The reversal of 12230381 is 18303221.

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

It is a cyclic number.

It is not a de Polignac number, because 12230381 - 2² = 12230377 is a prime.

It is a super-2 number, since 2×12230381² = 299164438810322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230371) 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, 18230 + ... + 18888.

It is an arithmetic number, because the mean of its divisors is an integer number (1559580).

Almost surely, 2^12230381 is an apocalyptic number.

It is an amenable number.

12230381 is a deficient number, since it is larger than the sum of its proper divisors (246259).

12230381 is an equidigital number, since it uses as much as digits as its factorization.

12230381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12230381 is about 3497.1961626423. The cubic root of 12230381 is about 230.3986846974.

It can be divided in two parts, 122 and 30381, that added together give a palindrome (30503).

The spelling of 12230381 in words is "twelve million, two hundred thirty thousand, three hundred eighty-one".