12541650 has 72 divisors (see below), whose sum is σ = 34237392. Its totient is φ = 3036000.

The previous prime is 12541637. The next prime is 12541651. The reversal of 12541650 is 5614521.

12541650 = T₄₅₀ + T₄₅₁ + ... + T₅₄₉.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12541650.

It is not an unprimeable number, because it can be changed into a prime (12541651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17805 + ... + 18495.

Almost surely, 2^12541650 is an apocalyptic number.

12541650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12541650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17118696).

12541650 is an abundant number, since it is smaller than the sum of its proper divisors (21695742).

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

12541650 is a wasteful number, since it uses less digits than its factorization.

12541650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12541650 is about 3541.4192070412. The cubic root of 12541650 is about 232.3369188206.

The spelling of 12541650 in words is "twelve million, five hundred forty-one thousand, six hundred fifty".