12870545 has 8 divisors (see below), whose sum is σ = 15804096. Its totient is φ = 10056816.

The previous prime is 12870541. The next prime is 12870551. The reversal of 12870545 is 54507821.

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 12870545 - 2² = 12870541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12870541) 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, 29717 + ... + 30146.

It is an arithmetic number, because the mean of its divisors is an integer number (1975512).

Almost surely, 2^12870545 is an apocalyptic number.

It is an amenable number.

12870545 is a deficient number, since it is larger than the sum of its proper divisors (2933551).

12870545 is an equidigital number, since it uses as much as digits as its factorization.

12870545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59911.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 12870545 is about 3587.5541807755. The cubic root of 12870545 is about 234.3503712194.

The spelling of 12870545 in words is "twelve million, eight hundred seventy thousand, five hundred forty-five".