12146880 has 56 divisors (see below), whose sum is σ = 38569392. Its totient is φ = 3238912.

The previous prime is 12146843. The next prime is 12146881. The reversal of 12146880 is 8864121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12146881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5367 + ... + 7286.

Almost surely, 2^12146880 is an apocalyptic number.

12146880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12146880 is an abundant number, since it is smaller than the sum of its proper divisors (26422512).

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

12146880 is a wasteful number, since it uses less digits than its factorization.

12146880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12673 (or 12663 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12146880 is about 3485.2374381095. The cubic root of 12146880 is about 229.8731499641.

The spelling of 12146880 in words is "twelve million, one hundred forty-six thousand, eight hundred eighty".