12380331 has 4 divisors (see below), whose sum is σ = 16507112. Its totient is φ = 8253552.

The previous prime is 12380321. The next prime is 12380351. The reversal of 12380331 is 13308321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12380331 - 2¹⁰ = 12379307 is a prime.

It is a super-2 number, since 2×12380331² = 306545191339122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12380298 and 12380307.

It is not an unprimeable number, because it can be changed into a prime (12380321) 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, 2063386 + ... + 2063391.

It is an arithmetic number, because the mean of its divisors is an integer number (4126778).

Almost surely, 2^12380331 is an apocalyptic number.

12380331 is a deficient number, since it is larger than the sum of its proper divisors (4126781).

12380331 is an equidigital number, since it uses as much as digits as its factorization.

12380331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126780.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12380331 is about 3518.5694536274. The cubic root of 12380331 is about 231.3364599031.

Adding to 12380331 its reverse (13308321), we get a palindrome (25688652).

The spelling of 12380331 in words is "twelve million, three hundred eighty thousand, three hundred thirty-one".