12320354 has 8 divisors (see below), whose sum is σ = 18703440. Its totient is φ = 6085876.

The previous prime is 12320351. The next prime is 12320369. The reversal of 12320354 is 45302321.

It is a happy number.

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

It is a super-2 number, since 2×12320354² = 303582245370632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12320351) 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, 36944 + ... + 37275.

It is an arithmetic number, because the mean of its divisors is an integer number (2337930).

Almost surely, 2^12320354 is an apocalyptic number.

12320354 is a deficient number, since it is larger than the sum of its proper divisors (6383086).

12320354 is an equidigital number, since it uses as much as digits as its factorization.

12320354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74304.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12320354 is about 3510.0361821497. The cubic root of 12320354 is about 230.9622821547.

Adding to 12320354 its reverse (45302321), we get a palindrome (57622675).

The spelling of 12320354 in words is "twelve million, three hundred twenty thousand, three hundred fifty-four".