12061870 has 8 divisors (see below), whose sum is σ = 21711384. Its totient is φ = 4824744.

The previous prime is 12061859. The next prime is 12061873. The reversal of 12061870 is 7816021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061873) by changing a digit.

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, 603084 + ... + 603103.

It is an arithmetic number, because the mean of its divisors is an integer number (2713923).

Almost surely, 2^12061870 is an apocalyptic number.

12061870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12061870 is a deficient number, since it is larger than the sum of its proper divisors (9649514).

12061870 is a wasteful number, since it uses less digits than its factorization.

12061870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206194.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12061870 is about 3473.0202993936. The cubic root of 12061870 is about 229.3356379531.

Adding to 12061870 its reverse (7816021), we get a palindrome (19877891).

The spelling of 12061870 in words is "twelve million, sixty-one thousand, eight hundred seventy".