12899318 has 4 divisors (see below), whose sum is σ = 19348980. Its totient is φ = 6449658.

The previous prime is 12899303. The next prime is 12899323. The reversal of 12899318 is 81399821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224828 + ... + 3224831.

It is an arithmetic number, because the mean of its divisors is an integer number (4837245).

Almost surely, 2^12899318 is an apocalyptic number.

12899318 is a deficient number, since it is larger than the sum of its proper divisors (6449662).

12899318 is an equidigital number, since it uses as much as digits as its factorization.

12899318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449661.

The product of its digits is 31104, while the sum is 41.

The square root of 12899318 is about 3591.5620557078. The cubic root of 12899318 is about 234.5248767713.

The spelling of 12899318 in words is "twelve million, eight hundred ninety-nine thousand, three hundred eighteen".