12618874 has 4 divisors (see below), whose sum is σ = 18928314. Its totient is φ = 6309436.

The previous prime is 12618871. The next prime is 12618883. The reversal of 12618874 is 47881621.

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., 7800849 + 4818025 = 2793^2 + 2195^2 .

It is not an unprimeable number, because it can be changed into a prime (12618871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3154717 + ... + 3154720.

Almost surely, 2^12618874 is an apocalyptic number.

12618874 is a deficient number, since it is larger than the sum of its proper divisors (6309440).

12618874 is an equidigital number, since it uses as much as digits as its factorization.

12618874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309439.

The product of its digits is 21504, while the sum is 37.

The square root of 12618874 is about 3552.3054485784. The cubic root of 12618874 is about 232.8128074617.

The spelling of 12618874 in words is "twelve million, six hundred eighteen thousand, eight hundred seventy-four".