12602543 has 4 divisors (see below), whose sum is σ = 12609648. Its totient is φ = 12595440.

The previous prime is 12602537. The next prime is 12602549. The reversal of 12602543 is 34520621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (12602537) and next prime (12602549).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12602543 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 (12602549) 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, 1598 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (3152412).

Almost surely, 2^12602543 is an apocalyptic number.

12602543 is a deficient number, since it is larger than the sum of its proper divisors (7105).

12602543 is an equidigital number, since it uses as much as digits as its factorization.

12602543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12602543 is about 3550.0060563329. The cubic root of 12602543 is about 232.7123307917.

The spelling of 12602543 in words is "twelve million, six hundred two thousand, five hundred forty-three".