12340982 has 4 divisors (see below), whose sum is σ = 18511476. Its totient is φ = 6170490.

The previous prime is 12340981. The next prime is 12341009. The reversal of 12340982 is 28904321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28904321 = 173 ⋅167077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085244 + ... + 3085247.

It is an arithmetic number, because the mean of its divisors is an integer number (4627869).

Almost surely, 2^12340982 is an apocalyptic number.

12340982 is a deficient number, since it is larger than the sum of its proper divisors (6170494).

12340982 is an equidigital number, since it uses as much as digits as its factorization.

12340982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170493.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12340982 is about 3512.9733844708. The cubic root of 12340982 is about 231.0911105274.

The spelling of 12340982 in words is "twelve million, three hundred forty thousand, nine hundred eighty-two".