12998770 has 8 divisors (see below), whose sum is σ = 23397804. Its totient is φ = 5199504.

The previous prime is 12998767. The next prime is 12998789. The reversal of 12998770 is 7789921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 17161 = 3603^2 + 131^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649929 + ... + 649948.

Almost surely, 2^12998770 is an apocalyptic number.

12998770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12998770 is a deficient number, since it is larger than the sum of its proper divisors (10399034).

12998770 is a wasteful number, since it uses less digits than its factorization.

12998770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299884.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 12998770 is about 3605.3807011188. The cubic root of 12998770 is about 235.1260527903.

The spelling of 12998770 in words is "twelve million, nine hundred ninety-eight thousand, seven hundred seventy".