12650136 has 32 divisors (see below), whose sum is σ = 32101440. Its totient is φ = 4153248.

The previous prime is 12650117. The next prime is 12650147. The reversal of 12650136 is 63105621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 2326 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (1003170).

Almost surely, 2^12650136 is an apocalyptic number.

It is an amenable number.

12650136 is an abundant number, since it is smaller than the sum of its proper divisors (19451304).

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

12650136 is a wasteful number, since it uses less digits than its factorization.

12650136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943 (or 7939 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12650136 is about 3556.7029676373. The cubic root of 12650136 is about 233.0049057401.

Adding to 12650136 its reverse (63105621), we get a palindrome (75755757).

It can be divided in two parts, 126 and 50136, that multiplied together give a palindrome (6317136).

The spelling of 12650136 in words is "twelve million, six hundred fifty thousand, one hundred thirty-six".