12072552 has 32 divisors (see below), whose sum is σ = 30754080. Its totient is φ = 3947840.

The previous prime is 12072517. The next prime is 12072553. The reversal of 12072552 is 25527021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12072553) 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, 3474 + ... + 6017.

It is an arithmetic number, because the mean of its divisors is an integer number (961065).

Almost surely, 2^12072552 is an apocalyptic number.

12072552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12072552 is an abundant number, since it is smaller than the sum of its proper divisors (18681528).

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

12072552 is a wasteful number, since it uses less digits than its factorization.

12072552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553 (or 9549 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 12072552 is about 3474.5578135930. The cubic root of 12072552 is about 229.4033179084.

Adding to 12072552 its reverse (25527021), we get a palindrome (37599573).

The spelling of 12072552 in words is "twelve million, seventy-two thousand, five hundred fifty-two".