12650388 has 12 divisors (see below), whose sum is σ = 29517600. Its totient is φ = 4216792.

The previous prime is 12650369. The next prime is 12650413. The reversal of 12650388 is 88305621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527088 + ... + 527111.

It is an arithmetic number, because the mean of its divisors is an integer number (2459800).

Almost surely, 2^12650388 is an apocalyptic number.

It is an amenable number.

12650388 is an abundant number, since it is smaller than the sum of its proper divisors (16867212).

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

12650388 is a wasteful number, since it uses less digits than its factorization.

12650388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054206 (or 1054204 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12650388 is about 3556.7383935285. The cubic root of 12650388 is about 233.0064529395.

The spelling of 12650388 in words is "twelve million, six hundred fifty thousand, three hundred eighty-eight".