12287380 has 24 divisors (see below), whose sum is σ = 29490048. Its totient is φ = 4212768.

The previous prime is 12287371. The next prime is 12287383. The reversal of 12287380 is 8378221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287383) 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, 43744 + ... + 44023.

It is an arithmetic number, because the mean of its divisors is an integer number (1228752).

Almost surely, 2^12287380 is an apocalyptic number.

12287380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12287380 is an abundant number, since it is smaller than the sum of its proper divisors (17202668).

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

12287380 is a wasteful number, since it uses less digits than its factorization.

12287380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87783 (or 87781 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 12287380 is about 3505.3359325463. The cubic root of 12287380 is about 230.7560501304.

The spelling of 12287380 in words is "twelve million, two hundred eighty-seven thousand, three hundred eighty".