12940234 has 8 divisors (see below), whose sum is σ = 19739520. Its totient is φ = 6360396.

The previous prime is 12940231. The next prime is 12940241. The reversal of 12940234 is 43204921.

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

It is a junction number, because it is equal to n+sod(n) for n = 12940199 and 12940208.

It is not an unprimeable number, because it can be changed into a prime (12940231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54714 + ... + 54949.

It is an arithmetic number, because the mean of its divisors is an integer number (2467440).

Almost surely, 2^12940234 is an apocalyptic number.

12940234 is a deficient number, since it is larger than the sum of its proper divisors (6799286).

12940234 is a wasteful number, since it uses less digits than its factorization.

12940234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109724.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12940234 is about 3597.2536746802. The cubic root of 12940234 is about 234.7725821636.

The spelling of 12940234 in words is "twelve million, nine hundred forty thousand, two hundred thirty-four".