12089970 has 24 divisors (see below), whose sum is σ = 31434156. Its totient is φ = 3223968.

The previous prime is 12089939. The next prime is 12089977. The reversal of 12089970 is 7998021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 441 = 3477^2 + 21^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12089977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67077 + ... + 67256.

Almost surely, 2^12089970 is an apocalyptic number.

12089970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12089970 is an abundant number, since it is smaller than the sum of its proper divisors (19344186).

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

12089970 is a wasteful number, since it uses less digits than its factorization.

12089970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134346 (or 134343 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 12089970 is about 3477.0634161603. The cubic root of 12089970 is about 229.5135908337.

The spelling of 12089970 in words is "twelve million, eighty-nine thousand, nine hundred seventy".