12700998 has 24 divisors (see below), whose sum is σ = 28106208. Its totient is φ = 4143312.

The previous prime is 12700997. The next prime is 12701009. The reversal of 12700998 is 89900721.

It is a happy number.

It is a super-2 number, since 2×12700998² = 322630700392008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700997) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6661 + ... + 8352.

It is an arithmetic number, because the mean of its divisors is an integer number (1171092).

Almost surely, 2^12700998 is an apocalyptic number.

12700998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12700998 is an abundant number, since it is smaller than the sum of its proper divisors (15405210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12700998 is a wasteful number, since it uses less digits than its factorization.

12700998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15068 (or 15065 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 12700998 is about 3563.8459562669. The cubic root of 12700998 is about 233.3167666242.

The spelling of 12700998 in words is "twelve million, seven hundred thousand, nine hundred ninety-eight".