12898149 has 16 divisors (see below), whose sum is σ = 19220544. Its totient is φ = 7625600.

The previous prime is 12898111. The next prime is 12898157. The reversal of 12898149 is 94189821.

It is a cyclic number.

It is not a de Polignac number, because 12898149 - 2¹³ = 12889957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12898149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12898349) 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 15 ways as a sum of consecutive naturals, for example, 3414 + ... + 6119.

It is an arithmetic number, because the mean of its divisors is an integer number (1201284).

Almost surely, 2^12898149 is an apocalyptic number.

It is an amenable number.

12898149 is a deficient number, since it is larger than the sum of its proper divisors (6322395).

12898149 is a wasteful number, since it uses less digits than its factorization.

12898149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588.

The product of its digits is 41472, while the sum is 42.

The square root of 12898149 is about 3591.3993094614. The cubic root of 12898149 is about 234.5177919558.

The spelling of 12898149 in words is "twelve million, eight hundred ninety-eight thousand, one hundred forty-nine".