12650000 has 120 divisors (see below), whose sum is σ = 34872768. Its totient is φ = 4400000.

The previous prime is 12649993. The next prime is 12650021. The reversal of 12650000 is 5621.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549989 + ... + 550011.

Almost surely, 2^12650000 is an apocalyptic number.

12650000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17436384).

12650000 is an abundant number, since it is smaller than the sum of its proper divisors (22222768).

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

12650000 is an equidigital number, since it uses as much as digits as its factorization.

12650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12650000 is about 3556.6838487557. The cubic root of 12650000 is about 233.0040707351.

Adding to 12650000 its reverse (5621), we get a palindrome (12655621).

The spelling of 12650000 in words is "twelve million, six hundred fifty thousand".