12478950 has 72 divisors (see below), whose sum is σ = 36589176. Its totient is φ = 3024000.

The previous prime is 12478943. The next prime is 12478979. The reversal of 12478950 is 5987421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3690 + ... + 6210.

It is an arithmetic number, because the mean of its divisors is an integer number (508183).

Almost surely, 2^12478950 is an apocalyptic number.

12478950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12478950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18294588).

12478950 is an abundant number, since it is smaller than the sum of its proper divisors (24110226).

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

12478950 is a wasteful number, since it uses less digits than its factorization.

12478950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 12478950 is about 3532.5557320444. Note that the first 3 decimals coincide. The cubic root of 12478950 is about 231.9490945585.

The spelling of 12478950 in words is "twelve million, four hundred seventy-eight thousand, nine hundred fifty".