12745534 has 8 divisors (see below), whose sum is σ = 19442520. Its totient is φ = 6264696.

The previous prime is 12745483. The next prime is 12745541. The reversal of 12745534 is 43554721.

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

It is a junction number, because it is equal to n+sod(n) for n = 12745496 and 12745505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53889 + ... + 54124.

It is an arithmetic number, because the mean of its divisors is an integer number (2430315).

Almost surely, 2^12745534 is an apocalyptic number.

12745534 is a deficient number, since it is larger than the sum of its proper divisors (6696986).

12745534 is a wasteful number, since it uses less digits than its factorization.

12745534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108074.

The product of its digits is 16800, while the sum is 31.

The square root of 12745534 is about 3570.0887944139. The cubic root of 12745534 is about 233.5891566048.

The spelling of 12745534 in words is "twelve million, seven hundred forty-five thousand, five hundred thirty-four".