12474778 has 8 divisors (see below), whose sum is σ = 18727200. Its totient is φ = 6232380.

The previous prime is 12474767. The next prime is 12474779. The reversal of 12474778 is 87747421.

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

It is a super-2 number, since 2×12474778² = 311240172298568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12474778.

It is not an unprimeable number, because it can be changed into a prime (12474779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (2340900).

Almost surely, 2^12474778 is an apocalyptic number.

12474778 is a deficient number, since it is larger than the sum of its proper divisors (6252422).

12474778 is a wasteful number, since it uses less digits than its factorization.

12474778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012.

The product of its digits is 87808, while the sum is 40.

The square root of 12474778 is about 3531.9651753663. The cubic root of 12474778 is about 231.9232430383.

The spelling of 12474778 in words is "twelve million, four hundred seventy-four thousand, seven hundred seventy-eight".