12495500 has 48 divisors (see below), whose sum is σ = 27771744. Its totient is φ = 4910400.

The previous prime is 12495487. The next prime is 12495523. The reversal of 12495500 is 559421.

It is a super-2 number, since 2×12495500² = 312275040500000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12495500.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33314 + ... + 33686.

It is an arithmetic number, because the mean of its divisors is an integer number (578578).

Almost surely, 2^12495500 is an apocalyptic number.

12495500 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 12495500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13885872).

12495500 is an abundant number, since it is smaller than the sum of its proper divisors (15276244).

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

12495500 is a wasteful number, since it uses less digits than its factorization.

12495500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 12495500 is about 3534.8974525437. The cubic root of 12495500 is about 232.0515888050.

The spelling of 12495500 in words is "twelve million, four hundred ninety-five thousand, five hundred".