12431354 has 8 divisors (see below), whose sum is σ = 20081460. Its totient is φ = 5737536.

The previous prime is 12431329. The next prime is 12431357. The reversal of 12431354 is 45313421.

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 769129 = 3415^2 + 877^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12431357) 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, 239039 + ... + 239090.

Almost surely, 2^12431354 is an apocalyptic number.

12431354 is a deficient number, since it is larger than the sum of its proper divisors (7650106).

12431354 is a wasteful number, since it uses less digits than its factorization.

12431354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478144.

The product of its digits is 1440, while the sum is 23.

The square root of 12431354 is about 3525.8125304673. The cubic root of 12431354 is about 231.6538262699.

Adding to 12431354 its reverse (45313421), we get a palindrome (57744775).

The spelling of 12431354 in words is "twelve million, four hundred thirty-one thousand, three hundred fifty-four".