12209480 has 16 divisors (see below), whose sum is σ = 27471420. Its totient is φ = 4883776.

The previous prime is 12209479. The next prime is 12209501. The reversal of 12209480 is 8490221.

It can be written as a sum of positive squares in 2 ways, for example, as 12208036 + 1444 = 3494^2 + 38^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152579 + ... + 152658.

Almost surely, 2^12209480 is an apocalyptic number.

12209480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12209480 is an abundant number, since it is smaller than the sum of its proper divisors (15261940).

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

12209480 is a wasteful number, since it uses less digits than its factorization.

12209480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305248 (or 305244 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12209480 is about 3494.2066338441. The cubic root of 12209480 is about 230.2673639401.

The spelling of 12209480 in words is "twelve million, two hundred nine thousand, four hundred eighty".