12146536 has 16 divisors (see below), whose sum is σ = 22819140. Its totient is φ = 6061440.

The previous prime is 12146527. The next prime is 12146549. The reversal of 12146536 is 63564121.

It can be written as a sum of positive squares in 2 ways, for example, as 11902500 + 244036 = 3450^2 + 494^2 .

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 3 ways as a sum of consecutive naturals, for example, 4140 + ... + 6436.

Almost surely, 2^12146536 is an apocalyptic number.

It is an amenable number.

12146536 is a deficient number, since it is larger than the sum of its proper divisors (10672604).

12146536 is a wasteful number, since it uses less digits than its factorization.

12146536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964 (or 2960 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 12146536 is about 3485.1880867465. The cubic root of 12146536 is about 229.8709799388.

It can be divided in two parts, 1214 and 6536, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 12146536 in words is "twelve million, one hundred forty-six thousand, five hundred thirty-six".