12973474 has 4 divisors (see below), whose sum is σ = 19460214. Its totient is φ = 6486736.

The previous prime is 12973463. The next prime is 12973483. The reversal of 12973474 is 47437921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8381025 + 4592449 = 2895^2 + 2143^2 .

It is a super-2 number, since 2×12973474² = 336622055257352, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3243367 + ... + 3243370.

Almost surely, 2^12973474 is an apocalyptic number.

12973474 is a deficient number, since it is larger than the sum of its proper divisors (6486740).

12973474 is an equidigital number, since it uses as much as digits as its factorization.

12973474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486739.

The product of its digits is 42336, while the sum is 37.

The square root of 12973474 is about 3601.8709027393. The cubic root of 12973474 is about 234.9734329405.

The spelling of 12973474 in words is "twelve million, nine hundred seventy-three thousand, four hundred seventy-four".