12663741 has 4 divisors (see below), whose sum is σ = 16884992. Its totient is φ = 8442492.

The previous prime is 12663733. The next prime is 12663743. The reversal of 12663741 is 14736621.

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: 14736621 = 3 ⋅4912207.

It is not a de Polignac number, because 12663741 - 2³ = 12663733 is a prime.

It is a super-2 number, since 2×12663741² = 320740672230162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12663699 and 12663708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663743) 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, 2110621 + ... + 2110626.

It is an arithmetic number, because the mean of its divisors is an integer number (4221248).

Almost surely, 2^12663741 is an apocalyptic number.

It is an amenable number.

12663741 is a deficient number, since it is larger than the sum of its proper divisors (4221251).

12663741 is an equidigital number, since it uses as much as digits as its factorization.

12663741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221250.

The product of its digits is 6048, while the sum is 30.

The square root of 12663741 is about 3558.6150395905. The cubic root of 12663741 is about 233.0884067129.

The spelling of 12663741 in words is "twelve million, six hundred sixty-three thousand, seven hundred forty-one".