12642341 has 4 divisors (see below), whose sum is σ = 13192032. Its totient is φ = 12092652.

The previous prime is 12642337. The next prime is 12642367. The reversal of 12642341 is 14324621.

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: 14324621 = 41 ⋅349381.

It is a cyclic number.

It is not a de Polignac number, because 12642341 - 2² = 12642337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 549667 = 12642341 / (1 + 2 + 6 + 4 + 2 + 3 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642041) 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, 274811 + ... + 274856.

It is an arithmetic number, because the mean of its divisors is an integer number (3298008).

Almost surely, 2^12642341 is an apocalyptic number.

It is an amenable number.

12642341 is a deficient number, since it is larger than the sum of its proper divisors (549691).

12642341 is an equidigital number, since it uses as much as digits as its factorization.

12642341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549690.

The product of its digits is 1152, while the sum is 23.

The square root of 12642341 is about 3555.6069805309. The cubic root of 12642341 is about 232.9570367836.

Adding to 12642341 its reverse (14324621), we get a palindrome (26966962).

The spelling of 12642341 in words is "twelve million, six hundred forty-two thousand, three hundred forty-one".