12061730 has 8 divisors (see below), whose sum is σ = 21711132. Its totient is φ = 4824688.

The previous prime is 12061727. The next prime is 12061747. The reversal of 12061730 is 3716021.

It is a happy number.

It is a Cunningham number, because it is equal to 3473²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 1 = 3473^2 + 1^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603077 + ... + 603096.

Almost surely, 2^12061730 is an apocalyptic number.

12061730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12061730 is a deficient number, since it is larger than the sum of its proper divisors (9649402).

12061730 is a wasteful number, since it uses less digits than its factorization.

12061730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206180.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 12061730 is about 3473.0001439677. Note that the first 3 decimals coincide. The cubic root of 12061730 is about 229.3347506635.

Adding to 12061730 its reverse (3716021), we get a palindrome (15777751).

The spelling of 12061730 in words is "twelve million, sixty-one thousand, seven hundred thirty".