12541998 has 32 divisors (see below), whose sum is σ = 29101824. Its totient is φ = 3529152.

The previous prime is 12541967. The next prime is 12541999. The reversal of 12541998 is 89914521.

It is a super-3 number, since 3×12541998³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541999) 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, 586 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (909432).

Almost surely, 2^12541998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12541998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14550912).

12541998 is an abundant number, since it is smaller than the sum of its proper divisors (16559826).

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

12541998 is a wasteful number, since it uses less digits than its factorization.

12541998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536.

The product of its digits is 25920, while the sum is 39.

The square root of 12541998 is about 3541.4683395451. The cubic root of 12541998 is about 232.3390677272.

The spelling of 12541998 in words is "twelve million, five hundred forty-one thousand, nine hundred ninety-eight".