12650288 has 40 divisors (see below), whose sum is σ = 28212480. Its totient is φ = 5382720.

The previous prime is 12650273. The next prime is 12650317. The reversal of 12650288 is 88205621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19733 + ... + 20363.

It is an arithmetic number, because the mean of its divisors is an integer number (705312).

Almost surely, 2^12650288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12650288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14106240).

12650288 is an abundant number, since it is smaller than the sum of its proper divisors (15562192).

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

12650288 is a wasteful number, since it uses less digits than its factorization.

12650288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 12650288 is about 3556.7243356774. The cubic root of 12650288 is about 233.0058389739.

The spelling of 12650288 in words is "twelve million, six hundred fifty thousand, two hundred eighty-eight".