12545384 has 8 divisors (see below), whose sum is σ = 23522610. Its totient is φ = 6272688.

The previous prime is 12545369. The next prime is 12545387. The reversal of 12545384 is 48354521.

It can be written as a sum of positive squares in only one way, i.e., 12096484 + 448900 = 3478^2 + 670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12545384.

It is not an unprimeable number, because it can be changed into a prime (12545387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784079 + ... + 784094.

Almost surely, 2^12545384 is an apocalyptic number.

It is an amenable number.

12545384 is a deficient number, since it is larger than the sum of its proper divisors (10977226).

12545384 is a wasteful number, since it uses less digits than its factorization.

12545384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568179 (or 1568175 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 12545384 is about 3541.9463575836. The cubic root of 12545384 is about 232.3599742658.

The spelling of 12545384 in words is "twelve million, five hundred forty-five thousand, three hundred eighty-four".