12790545 has 16 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 6420224.

The previous prime is 12790529. The next prime is 12790559. The reversal of 12790545 is 54509721.

It is a cyclic number.

It is not a de Polignac number, because 12790545 - 2⁴ = 12790529 is a prime.

It is a super-3 number, since 3×12790545³ (a number of 22 digits) contains 333 as substring.

It is a Curzon 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, 24825 + ... + 25334.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320).

Almost surely, 2^12790545 is an apocalyptic number.

12790545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12790545 is a deficient number, since it is larger than the sum of its proper divisors (8878575).

12790545 is a wasteful number, since it uses less digits than its factorization.

12790545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50184.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 12790545 is about 3576.3871434731. The cubic root of 12790545 is about 233.8638078117.

The spelling of 12790545 in words is "twelve million, seven hundred ninety thousand, five hundred forty-five".