12652500 has 120 divisors (see below), whose sum is σ = 42336448. Its totient is φ = 2880000.

The previous prime is 12652489. The next prime is 12652511. The reversal of 12652500 is 525621.

It is an interprime number because it is at equal distance from previous prime (12652489) and next prime (12652511).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52380 + ... + 52620.

Almost surely, 2^12652500 is an apocalyptic number.

12652500 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 12652500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21168224).

12652500 is an abundant number, since it is smaller than the sum of its proper divisors (29683948).

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

12652500 is a wasteful number, since it uses less digits than its factorization.

12652500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12652500 is about 3557.0352823665. The cubic root of 12652500 is about 233.0194191358.

The spelling of 12652500 in words is "twelve million, six hundred fifty-two thousand, five hundred".