12654545 has 16 divisors (see below), whose sum is σ = 16387920. Its totient is φ = 9348352.

The previous prime is 12654539. The next prime is 12654557. The reversal of 12654545 is 54545621.

It can be written as a sum of positive squares in 8 ways, for example, as 9409 + 12645136 = 97^2 + 3556^2 .

It is not a de Polignac number, because 12654545 - 2⁸ = 12654289 is a prime.

Its product of digits (24000) is a multiple of the sum of its prime divisors (75).

12654545 is a modest number, since divided by 4545 gives 1265 as remainder.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238739 + ... + 238791.

It is an arithmetic number, because the mean of its divisors is an integer number (1024245).

Almost surely, 2^12654545 is an apocalyptic number.

It is an amenable number.

12654545 is a deficient number, since it is larger than the sum of its proper divisors (3733375).

12654545 is an frugal number, since it uses more digits than its factorization.

12654545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 75 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 12654545 is about 3557.3227292446. The cubic root of 12654545 is about 233.0319726244.

The spelling of 12654545 in words is "twelve million, six hundred fifty-four thousand, five hundred forty-five".