12526474 has 4 divisors (see below), whose sum is σ = 18789714. Its totient is φ = 6263236.

The previous prime is 12526471. The next prime is 12526489. The reversal of 12526474 is 47462521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47462521 = 17 ⋅2791913.

It can be written as a sum of positive squares in only one way, i.e., 9653449 + 2873025 = 3107^2 + 1695^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12526471) 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 as a sum of consecutive naturals, namely, 3131617 + ... + 3131620.

Almost surely, 2^12526474 is an apocalyptic number.

12526474 is a deficient number, since it is larger than the sum of its proper divisors (6263240).

12526474 is an equidigital number, since it uses as much as digits as its factorization.

12526474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263239.

The product of its digits is 13440, while the sum is 31.

The square root of 12526474 is about 3539.2759146469. The cubic root of 12526474 is about 232.2431680456.

Adding to 12526474 its reverse (47462521), we get a palindrome (59988995).

The spelling of 12526474 in words is "twelve million, five hundred twenty-six thousand, four hundred seventy-four".