12264040 has 32 divisors (see below), whose sum is σ = 27724680. Its totient is φ = 4882432.

The previous prime is 12264029. The next prime is 12264047. The reversal of 12264040 is 4046221.

It can be written as a sum of positive squares in 4 ways, for example, as 12068676 + 195364 = 3474^2 + 442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12263999 and 12264017.

It is not an unprimeable number, because it can be changed into a prime (12264047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9684 + ... + 10876.

Almost surely, 2^12264040 is an apocalyptic number.

12264040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12264040 is an abundant number, since it is smaller than the sum of its proper divisors (15460640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12264040 is a wasteful number, since it uses less digits than its factorization.

12264040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12264040 is about 3502.0051399163. The cubic root of 12264040 is about 230.6098497207.

The spelling of 12264040 in words is "twelve million, two hundred sixty-four thousand, forty".