12541523 has 4 divisors (see below), whose sum is σ = 12597000. Its totient is φ = 12486048.

The previous prime is 12541519. The next prime is 12541537. The reversal of 12541523 is 32514521.

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 12541523 - 2² = 12541519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12541513) 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, 27398 + ... + 27851.

It is an arithmetic number, because the mean of its divisors is an integer number (3149250).

Almost surely, 2^12541523 is an apocalyptic number.

12541523 is a deficient number, since it is larger than the sum of its proper divisors (55477).

12541523 is an equidigital number, since it uses as much as digits as its factorization.

12541523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55476.

The product of its digits is 1200, while the sum is 23.

The square root of 12541523 is about 3541.4012763312. The cubic root of 12541523 is about 232.3361345834.

The spelling of 12541523 in words is "twelve million, five hundred forty-one thousand, five hundred twenty-three".