12898154 has 8 divisors (see below), whose sum is σ = 19365060. Its totient is φ = 6443136.

The previous prime is 12898111. The next prime is 12898157. The reversal of 12898154 is 45189821.

It can be written as a sum of positive squares in 2 ways, for example, as 8254129 + 4644025 = 2873^2 + 2155^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12898157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602 + ... + 5114.

Almost surely, 2^12898154 is an apocalyptic number.

12898154 is a deficient number, since it is larger than the sum of its proper divisors (6466906).

12898154 is a wasteful number, since it uses less digits than its factorization.

12898154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944.

The product of its digits is 23040, while the sum is 38.

The square root of 12898154 is about 3591.4000055689. The cubic root of 12898154 is about 234.5178222596.

The spelling of 12898154 in words is "twelve million, eight hundred ninety-eight thousand, one hundred fifty-four".