12203040 has 48 divisors (see below), whose sum is σ = 38441088. Its totient is φ = 3254016.

The previous prime is 12203039. The next prime is 12203047. The reversal of 12203040 is 4030221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12203047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12232 + ... + 13191.

It is an arithmetic number, because the mean of its divisors is an integer number (800856).

Almost surely, 2^12203040 is an apocalyptic number.

12203040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203040 is an abundant number, since it is smaller than the sum of its proper divisors (26238048).

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

12203040 is a wasteful number, since it uses less digits than its factorization.

12203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441 (or 25433 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12203040 is about 3493.2849869428. The cubic root of 12203040 is about 230.2268712894.

Adding to 12203040 its reverse (4030221), we get a palindrome (16233261).

The spelling of 12203040 in words is "twelve million, two hundred three thousand, forty".