12279000 has 64 divisors (see below), whose sum is σ = 38319840. Its totient is φ = 3273600.

The previous prime is 12278989. The next prime is 12279011. The reversal of 12279000 is 97221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12278989) and next prime (12279011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954 + ... + 5046.

Almost surely, 2^12279000 is an apocalyptic number.

12279000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12279000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19159920).

12279000 is an abundant number, since it is smaller than the sum of its proper divisors (26040840).

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

12279000 is a wasteful number, since it uses less digits than its factorization.

12279000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12279000 is about 3504.1404081458. The cubic root of 12279000 is about 230.7035796154.

The spelling of 12279000 in words is "twelve million, two hundred seventy-nine thousand".