12232061 has 4 divisors (see below), whose sum is σ = 12951612. Its totient is φ = 11512512.

The previous prime is 12232049. The next prime is 12232069. The reversal of 12232061 is 16023221.

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 9060100 + 3171961 = 3010^2 + 1781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 719533 = 12232061 / (1 + 2 + 2 + 3 + 2 + 0 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232069) 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, 359750 + ... + 359783.

It is an arithmetic number, because the mean of its divisors is an integer number (3237903).

Almost surely, 2^12232061 is an apocalyptic number.

It is an amenable number.

12232061 is a deficient number, since it is larger than the sum of its proper divisors (719551).

12232061 is an equidigital number, since it uses as much as digits as its factorization.

12232061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719550.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12232061 is about 3497.4363468118. The cubic root of 12232061 is about 230.4092336212.

Adding to 12232061 its reverse (16023221), we get a palindrome (28255282).

The spelling of 12232061 in words is "twelve million, two hundred thirty-two thousand, sixty-one".