12534505 has 8 divisors (see below), whose sum is σ = 15072192. Its totient is φ = 10007088.

The previous prime is 12534461. The next prime is 12534523. The reversal of 12534505 is 50543521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12534505 - 2¹⁵ = 12501737 is a prime.

It is a super-2 number, since 2×12534505² = 314227631190050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12534505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (1884024).

Almost surely, 2^12534505 is an apocalyptic number.

It is an amenable number.

12534505 is a deficient number, since it is larger than the sum of its proper divisors (2537687).

12534505 is an equidigital number, since it uses as much as digits as its factorization.

12534505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 12534505 is about 3540.4102869583. The cubic root of 12534505 is about 232.2927895227.

The spelling of 12534505 in words is "twelve million, five hundred thirty-four thousand, five hundred five".