12030961 has 4 divisors (see below), whose sum is σ = 12081124. Its totient is φ = 11980800.

The previous prime is 12030959. The next prime is 12030983. The reversal of 12030961 is 16903021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9884736 + 2146225 = 3144^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030961 - 2¹ = 12030959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030901) 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, 24720 + ... + 25201.

It is an arithmetic number, because the mean of its divisors is an integer number (3020281).

Almost surely, 2^12030961 is an apocalyptic number.

It is an amenable number.

12030961 is a deficient number, since it is larger than the sum of its proper divisors (50163).

12030961 is an equidigital number, since it uses as much as digits as its factorization.

12030961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50162.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 12030961 is about 3468.5675717795. The cubic root of 12030961 is about 229.1395766251.

Adding to 12030961 its reverse (16903021), we get a palindrome (28933982).

The spelling of 12030961 in words is "twelve million, thirty thousand, nine hundred sixty-one".