12064545 has 20 divisors (see below), whose sum is σ = 21627540. Its totient is φ = 6434208.

The previous prime is 12064541. The next prime is 12064567. The reversal of 12064545 is 54546021.

12064545 is a `hidden beast` number, since 1 + 206 + 454 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 10093329 = 1404^2 + 3177^2 .

It is not a de Polignac number, because 12064545 - 2² = 12064541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12064541) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14490 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (1081377).

Almost surely, 2^12064545 is an apocalyptic number.

12064545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12064545 is a deficient number, since it is larger than the sum of its proper divisors (9562995).

12064545 is an equidigital number, since it uses as much as digits as its factorization.

12064545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29806 (or 29797 counting only the distinct ones).

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

The square root of 12064545 is about 3473.4053895277. The cubic root of 12064545 is about 229.3525902025.

The spelling of 12064545 in words is "twelve million, sixty-four thousand, five hundred forty-five".