12666150 has 72 divisors (see below), whose sum is σ = 38900784. Its totient is φ = 2894400.

The previous prime is 12666133. The next prime is 12666167. The reversal of 12666150 is 5166621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12666133) and next prime (12666167).

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, 1140 + ... + 5160.

Almost surely, 2^12666150 is an apocalyptic number.

12666150 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 12666150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19450392).

12666150 is an abundant number, since it is smaller than the sum of its proper divisors (26234634).

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

12666150 is a wasteful number, since it uses less digits than its factorization.

12666150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046 (or 4038 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12666150 is about 3558.9534978698. The cubic root of 12666150 is about 233.1031857678.

The spelling of 12666150 in words is "twelve million, six hundred sixty-six thousand, one hundred fifty".