12944500 has 24 divisors (see below), whose sum is σ = 28271880. Its totient is φ = 5177600.

The previous prime is 12944473. The next prime is 12944501. The reversal of 12944500 is 544921.

12944500 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 70756 + 12873744 = 266^2 + 3588^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944501) 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, 12445 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (1177995).

Almost surely, 2^12944500 is an apocalyptic number.

12944500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12944500 is an abundant number, since it is smaller than the sum of its proper divisors (15327380).

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

12944500 is a wasteful number, since it uses less digits than its factorization.

12944500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25908 (or 25896 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12944500 is about 3597.8465781631. The cubic root of 12944500 is about 234.7983784461.

The spelling of 12944500 in words is "twelve million, nine hundred forty-four thousand, five hundred".