12349331 has 4 divisors (see below), whose sum is σ = 12775200. Its totient is φ = 11923464.

The previous prime is 12349313. The next prime is 12349333. The reversal of 12349331 is 13394321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12349331 - 2²² = 8155027 is a prime.

It is a super-2 number, since 2×12349331² = 305011952295122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12349331.

It is not an unprimeable number, because it can be changed into a prime (12349333) 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, 212891 + ... + 212948.

It is an arithmetic number, because the mean of its divisors is an integer number (3193800).

Almost surely, 2^12349331 is an apocalyptic number.

12349331 is a deficient number, since it is larger than the sum of its proper divisors (425869).

12349331 is an equidigital number, since it uses as much as digits as its factorization.

12349331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425868.

The product of its digits is 1944, while the sum is 26.

The square root of 12349331 is about 3514.1614931588. The cubic root of 12349331 is about 231.1432118581.

It can be divided in two parts, 123493 and 31, that multiplied together give a palindrome (3828283).

The spelling of 12349331 in words is "twelve million, three hundred forty-nine thousand, three hundred thirty-one".