12603461 has 4 divisors (see below), whose sum is σ = 13572972. Its totient is φ = 11633952.

The previous prime is 12603449. The next prime is 12603497. The reversal of 12603461 is 16430621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16430621 = 73 ⋅225077.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 10660225 = 1394^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 12603461 - 2¹⁰ = 12602437 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 (12603161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484736 + ... + 484761.

It is an arithmetic number, because the mean of its divisors is an integer number (3393243).

Almost surely, 2^12603461 is an apocalyptic number.

It is an amenable number.

12603461 is a deficient number, since it is larger than the sum of its proper divisors (969511).

12603461 is an equidigital number, since it uses as much as digits as its factorization.

12603461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969510.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12603461 is about 3550.1353495325. The cubic root of 12603461 is about 232.7179810993.

The spelling of 12603461 in words is "twelve million, six hundred three thousand, four hundred sixty-one".