12365040 has 40 divisors (see below), whose sum is σ = 38332368. Its totient is φ = 3297280.

The previous prime is 12365033. The next prime is 12365057. The reversal of 12365040 is 4056321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 12364998 and 12365016.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 25521 + ... + 26000.

Almost surely, 2^12365040 is an apocalyptic number.

12365040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12365040 is an abundant number, since it is smaller than the sum of its proper divisors (25967328).

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

12365040 is a wasteful number, since it uses less digits than its factorization.

12365040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51537 (or 51531 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12365040 is about 3516.3958821498. The cubic root of 12365040 is about 231.2411791133.

The spelling of 12365040 in words is "twelve million, three hundred sixty-five thousand, forty".