12046545 has 48 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 5450112.

The previous prime is 12046487. The next prime is 12046553. The reversal of 12046545 is 54564021.

12046545 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 654 + 5 = 666.

It is not a de Polignac number, because 12046545 - 2⁸ = 12046289 is a prime.

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, 52491 + ... + 52719.

It is an arithmetic number, because the mean of its divisors is an integer number (502320).

Almost surely, 2^12046545 is an apocalyptic number.

12046545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12046545 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12046545 is a wasteful number, since it uses less digits than its factorization.

12046545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 12046545 is about 3470.8133052643. The cubic root of 12046545 is about 229.2384706492.

It can be divided in two parts, 120 and 46545, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 12046545 in words is "twelve million, forty-six thousand, five hundred forty-five".