12040964 has 48 divisors (see below), whose sum is σ = 24576048. Its totient is φ = 5111808.

The previous prime is 12040957. The next prime is 12040967. The reversal of 12040964 is 46904021.

It can be written as a sum of positive squares in 8 ways, for example, as 1800964 + 10240000 = 1342^2 + 3200^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040967) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 46724 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (512001).

Almost surely, 2^12040964 is an apocalyptic number.

It is an amenable number.

12040964 is an abundant number, since it is smaller than the sum of its proper divisors (12535084).

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

12040964 is a wasteful number, since it uses less digits than its factorization.

12040964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12040964 is about 3470.0092218898. The cubic root of 12040964 is about 229.2030641619.

Adding to 12040964 its reverse (46904021), we get a palindrome (58944985).

It can be divided in two parts, 120409 and 64, that multiplied together give a square (7706176 = 2776²).

The spelling of 12040964 in words is "twelve million, forty thousand, nine hundred sixty-four".