12881098 has 4 divisors (see below), whose sum is σ = 19321650. Its totient is φ = 6440548.

The previous prime is 12881051. The next prime is 12881117. The reversal of 12881098 is 89018821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89018821 = 1019 ⋅87359.

It can be written as a sum of positive squares in only one way, i.e., 12723489 + 157609 = 3567^2 + 397^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220273 + ... + 3220276.

Almost surely, 2^12881098 is an apocalyptic number.

12881098 is a deficient number, since it is larger than the sum of its proper divisors (6440552).

12881098 is an equidigital number, since it uses as much as digits as its factorization.

12881098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440551.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 12881098 is about 3589.0246585946. The cubic root of 12881098 is about 234.4144043496.

The spelling of 12881098 in words is "twelve million, eight hundred eighty-one thousand, ninety-eight".