12496720 has 40 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 4836480.

The previous prime is 12496691. The next prime is 12496723. The reversal of 12496720 is 2769421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12496723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 4999.

It is an arithmetic number, because the mean of its divisors is an integer number (749952).

Almost surely, 2^12496720 is an apocalyptic number.

12496720 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 12496720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999040).

12496720 is an abundant number, since it is smaller than the sum of its proper divisors (17501360).

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

12496720 is a wasteful number, since it uses less digits than its factorization.

12496720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083 (or 5077 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 12496720 is about 3535.0700134509. The cubic root of 12496720 is about 232.0591406897.

The spelling of 12496720 in words is "twelve million, four hundred ninety-six thousand, seven hundred twenty".