12601243 has 4 divisors (see below), whose sum is σ = 12742920. Its totient is φ = 12459568.

The previous prime is 12601241. The next prime is 12601249. The reversal of 12601243 is 34210621.

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

It is a cyclic number.

It is not a de Polignac number, because 12601243 - 2¹ = 12601241 is a prime.

It is a super-3 number, since 3×12601243³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12601243.

It is not an unprimeable number, because it can be changed into a prime (12601241) 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, 70705 + ... + 70882.

It is an arithmetic number, because the mean of its divisors is an integer number (3185730).

Almost surely, 2^12601243 is an apocalyptic number.

12601243 is a deficient number, since it is larger than the sum of its proper divisors (141677).

12601243 is an equidigital number, since it uses as much as digits as its factorization.

12601243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141676.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12601243 is about 3549.8229533316. The cubic root of 12601243 is about 232.7043287974.

Adding to 12601243 its reverse (34210621), we get a palindrome (46811864).

The spelling of 12601243 in words is "twelve million, six hundred one thousand, two hundred forty-three".