12055950 has 72 divisors (see below), whose sum is σ = 32923488. Its totient is φ = 3162240.

The previous prime is 12055949. The next prime is 12055957. The reversal of 12055950 is 5955021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32667 + ... + 33033.

It is a vampire number, since it can be written as 2190 ⋅ 5505 (with its own digits).

Almost surely, 2^12055950 is an apocalyptic number.

12055950 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 12055950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16461744).

12055950 is an abundant number, since it is smaller than the sum of its proper divisors (20867538).

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

12055950 is a wasteful number, since it uses less digits than its factorization.

12055950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 12055950 is about 3472.1679106863. The cubic root of 12055950 is about 229.2981122860.

The spelling of 12055950 in words is "twelve million, fifty-five thousand, nine hundred fifty".