12534645 has 8 divisors (see below), whose sum is σ = 20055456. Its totient is φ = 6685136.

The previous prime is 12534637. The next prime is 12534647. The reversal of 12534645 is 54643521.

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 12534645 - 2³ = 12534637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417807 + ... + 417836.

It is an arithmetic number, because the mean of its divisors is an integer number (2506932).

Almost surely, 2^12534645 is an apocalyptic number.

12534645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12534645 is a deficient number, since it is larger than the sum of its proper divisors (7520811).

12534645 is an equidigital number, since it uses as much as digits as its factorization.

12534645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835651.

The product of its digits is 14400, while the sum is 30.

The square root of 12534645 is about 3540.4300586228. The cubic root of 12534645 is about 232.2936543586.

The spelling of 12534645 in words is "twelve million, five hundred thirty-four thousand, six hundred forty-five".