12750898 has 4 divisors (see below), whose sum is σ = 19126350. Its totient is φ = 6375448.

The previous prime is 12750863. The next prime is 12750911. The reversal of 12750898 is 89805721.

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., 9628609 + 3122289 = 3103^2 + 1767^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12750898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187723 + ... + 3187726.

Almost surely, 2^12750898 is an apocalyptic number.

12750898 is a deficient number, since it is larger than the sum of its proper divisors (6375452).

12750898 is an equidigital number, since it uses as much as digits as its factorization.

12750898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375451.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 12750898 is about 3570.8399572089. The cubic root of 12750898 is about 233.6219209311.

The spelling of 12750898 in words is "twelve million, seven hundred fifty thousand, eight hundred ninety-eight".