12497100 has 144 divisors (see below), whose sum is σ = 45163776. Its totient is φ = 2592000.

The previous prime is 12497081. The next prime is 12497101. The reversal of 12497100 is 179421.

It is not an unprimeable number, because it can be changed into a prime (12497101) 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 47 ways as a sum of consecutive naturals, for example, 22830 + ... + 23370.

Almost surely, 2^12497100 is an apocalyptic number.

12497100 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 12497100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22581888).

12497100 is an abundant number, since it is smaller than the sum of its proper divisors (32666676).

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

12497100 is a wasteful number, since it uses less digits than its factorization.

12497100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12497100 is about 3535.1237602098. The cubic root of 12497100 is about 232.0614928157.

The spelling of 12497100 in words is "twelve million, four hundred ninety-seven thousand, one hundred".