12132380 has 24 divisors (see below), whose sum is σ = 27438432. Its totient is φ = 4479552.

The previous prime is 12132371. The next prime is 12132401. The reversal of 12132380 is 8323121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23072 + ... + 23591.

It is an arithmetic number, because the mean of its divisors is an integer number (1143268).

Almost surely, 2^12132380 is an apocalyptic number.

12132380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132380 is an abundant number, since it is smaller than the sum of its proper divisors (15306052).

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

12132380 is a wasteful number, since it uses less digits than its factorization.

12132380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46685 (or 46683 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12132380 is about 3483.1566143371. The cubic root of 12132380 is about 229.7816453186.

The spelling of 12132380 in words is "twelve million, one hundred thirty-two thousand, three hundred eighty".