12748045 has 16 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 9391360.

The previous prime is 12748027. The next prime is 12748061. The reversal of 12748045 is 54084721.

It is not a de Polignac number, because 12748045 - 2⁵ = 12748013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12747998 and 12748016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400 + ... + 5590.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^12748045 is an apocalyptic number.

It is an amenable number.

12748045 is a deficient number, since it is larger than the sum of its proper divisors (3799283).

12748045 is a wasteful number, since it uses less digits than its factorization.

12748045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 12748045 is about 3570.4404490203. The cubic root of 12748045 is about 233.6044954118.

The spelling of 12748045 in words is "twelve million, seven hundred forty-eight thousand, forty-five".