12500064 has 36 divisors (see below), whose sum is σ = 35547876. Its totient is φ = 4166592.

The previous prime is 12500029. The next prime is 12500069. The reversal of 12500064 is 46000521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21414 + ... + 21989.

It is an arithmetic number, because the mean of its divisors is an integer number (987441).

Almost surely, 2^12500064 is an apocalyptic number.

It is an amenable number.

12500064 is an abundant number, since it is smaller than the sum of its proper divisors (23047812).

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

12500064 is a wasteful number, since it uses less digits than its factorization.

12500064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43419 (or 43408 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12500064 is about 3535.5429568880. The cubic root of 12500064 is about 232.0798377622.

Adding to 12500064 its reverse (46000521), we get a palindrome (58500585).

It can be divided in two parts, 125000 and 64, that multiplied together give a cube (8000000 = 200³).

The spelling of 12500064 in words is "twelve million, five hundred thousand, sixty-four".