12827945 has 48 divisors (see below), whose sum is σ = 18973440. Its totient is φ = 8266752.

The previous prime is 12827923. The next prime is 12827953. The reversal of 12827945 is 54972821.

It is not a de Polignac number, because 12827945 - 2¹⁰ = 12826921 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12827899 and 12827908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272912 + ... + 272958.

It is an arithmetic number, because the mean of its divisors is an integer number (395280).

Almost surely, 2^12827945 is an apocalyptic number.

It is an amenable number.

12827945 is a deficient number, since it is larger than the sum of its proper divisors (6145495).

12827945 is a wasteful number, since it uses less digits than its factorization.

12827945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 101 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 12827945 is about 3581.6120672122. The cubic root of 12827945 is about 234.0915279806.

The spelling of 12827945 in words is "twelve million, eight hundred twenty-seven thousand, nine hundred forty-five".