12481474 has 4 divisors (see below), whose sum is σ = 18722214. Its totient is φ = 6240736.

The previous prime is 12481463. The next prime is 12481493. The reversal of 12481474 is 47418421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47418421 = 953 ⋅49757.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 1225449 = 3355^2 + 1107^2 .

It is a super-3 number, since 3×12481474³ (a number of 22 digits) contains 333 as substring.

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120367 + ... + 3120370.

Almost surely, 2^12481474 is an apocalyptic number.

12481474 is a deficient number, since it is larger than the sum of its proper divisors (6240740).

12481474 is an equidigital number, since it uses as much as digits as its factorization.

12481474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240739.

The product of its digits is 7168, while the sum is 31.

The square root of 12481474 is about 3532.9129624150. The cubic root of 12481474 is about 231.9647315591.

Adding to 12481474 its reverse (47418421), we get a palindrome (59899895).

The spelling of 12481474 in words is "twelve million, four hundred eighty-one thousand, four hundred seventy-four".