12478725 has 96 divisors (see below), whose sum is σ = 27776000. Its totient is φ = 5365440.

The previous prime is 12478723. The next prime is 12478727. The reversal of 12478725 is 52787421.

12478725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12478723) and next prime (12478727).

It is not a de Polignac number, because 12478725 - 2¹ = 12478723 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12478725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89706 + ... + 89844.

Almost surely, 2^12478725 is an apocalyptic number.

12478725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12478725 is an abundant number, since it is smaller than the sum of its proper divisors (15297275).

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

12478725 is a wasteful number, since it uses less digits than its factorization.

12478725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 173 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12478725 is about 3532.5238852696. The cubic root of 12478725 is about 231.9477005079.

It can be divided in two parts, 12478 and 725, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12478725 in words is "twelve million, four hundred seventy-eight thousand, seven hundred twenty-five".