12000061 has 4 divisors (see below), whose sum is σ = 12010432. Its totient is φ = 11989692.

The previous prime is 12000029. The next prime is 12000073. The reversal of 12000061 is 16000021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16000021 = 37 ⋅432433.

It is a cyclic number.

It is not a de Polignac number, because 12000061 - 2⁵ = 12000029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (3002608).

Almost surely, 2^12000061 is an apocalyptic number.

It is an amenable number.

12000061 is a deficient number, since it is larger than the sum of its proper divisors (10371).

12000061 is an equidigital number, since it uses as much as digits as its factorization.

12000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12000061 is about 3464.1104197182. The cubic root of 12000061 is about 228.9432364409.

Adding to 12000061 its reverse (16000021), we get a palindrome (28000082).

The spelling of 12000061 in words is "twelve million, sixty-one", and thus it is an aban number and an uban number.