12442061 has 4 divisors (see below), whose sum is σ = 12462972. Its totient is φ = 12421152.

The previous prime is 12442051. The next prime is 12442069. The reversal of 12442061 is 16024421.

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 1976836 + 10465225 = 1406^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442061 - 2⁶ = 12441997 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 (12442069) 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, 9536 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (3115743).

Almost surely, 2^12442061 is an apocalyptic number.

It is an amenable number.

12442061 is a deficient number, since it is larger than the sum of its proper divisors (20911).

12442061 is an equidigital number, since it uses as much as digits as its factorization.

12442061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20910.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12442061 is about 3527.3305770795. The cubic root of 12442061 is about 231.7203142209.

Adding to 12442061 its reverse (16024421), we get a palindrome (28466482).

The spelling of 12442061 in words is "twelve million, four hundred forty-two thousand, sixty-one".