12239061 has 4 divisors (see below), whose sum is σ = 16318752. Its totient is φ = 8159372.

The previous prime is 12239041. The next prime is 12239063. The reversal of 12239061 is 16093221.

12239061 is digitally balanced in base 2, base 3 and base 4, because in such bases 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: 16093221 = 3 ⋅5364407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12239061 is a prime.

It is a super-2 number, since 2×12239061² = 299589228323442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239063) 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, 2039841 + ... + 2039846.

It is an arithmetic number, because the mean of its divisors is an integer number (4079688).

Almost surely, 2^12239061 is an apocalyptic number.

It is an amenable number.

12239061 is a deficient number, since it is larger than the sum of its proper divisors (4079691).

12239061 is an equidigital number, since it uses as much as digits as its factorization.

12239061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079690.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12239061 is about 3498.4369366904. The cubic root of 12239061 is about 230.4531770763.

The spelling of 12239061 in words is "twelve million, two hundred thirty-nine thousand, sixty-one".