12980738 has 4 divisors (see below), whose sum is σ = 19471110. Its totient is φ = 6490368.

The previous prime is 12980729. The next prime is 12980749. The reversal of 12980738 is 83708921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83708921 = 41 ⋅2041681.

It can be written as a sum of positive squares in only one way, i.e., 12201049 + 779689 = 3493^2 + 883^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245183 + ... + 3245186.

Almost surely, 2^12980738 is an apocalyptic number.

12980738 is a deficient number, since it is larger than the sum of its proper divisors (6490372).

12980738 is an equidigital number, since it uses as much as digits as its factorization.

12980738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490371.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12980738 is about 3602.8791264765. The cubic root of 12980738 is about 235.0172795503.

The spelling of 12980738 in words is "twelve million, nine hundred eighty thousand, seven hundred thirty-eight".