12061901 has 4 divisors (see below), whose sum is σ = 12266400. Its totient is φ = 11857404.

The previous prime is 12061879. The next prime is 12061919. The reversal of 12061901 is 10916021.

12061901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 10916021 = 977 ⋅11173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12061901 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 (12061961) 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, 102161 + ... + 102278.

It is an arithmetic number, because the mean of its divisors is an integer number (3066600).

Almost surely, 2^12061901 is an apocalyptic number.

It is an amenable number.

12061901 is a deficient number, since it is larger than the sum of its proper divisors (204499).

12061901 is an equidigital number, since it uses as much as digits as its factorization.

12061901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204498.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 12061901 is about 3473.0247623649. The cubic root of 12061901 is about 229.3358344234.

Adding to 12061901 its reverse (10916021), we get a palindrome (22977922).

The spelling of 12061901 in words is "twelve million, sixty-one thousand, nine hundred one".