12461278 has 8 divisors (see below), whose sum is σ = 18729360. Its totient is φ = 6218160.

The previous prime is 12461269. The next prime is 12461311. The reversal of 12461278 is 87216421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4938 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (2341170).

Almost surely, 2^12461278 is an apocalyptic number.

12461278 is a deficient number, since it is larger than the sum of its proper divisors (6268082).

12461278 is a wasteful number, since it uses less digits than its factorization.

12461278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482.

The product of its digits is 5376, while the sum is 31.

The square root of 12461278 is about 3530.0535406705. The cubic root of 12461278 is about 231.8395516655.

Adding to 12461278 its reverse (87216421), we get a palindrome (99677699).

The spelling of 12461278 in words is "twelve million, four hundred sixty-one thousand, two hundred seventy-eight".