12072554 has 16 divisors (see below), whose sum is σ = 19609128. Its totient is φ = 5541312.

The previous prime is 12072553. The next prime is 12072589. The reversal of 12072554 is 45527021.

12072554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9891025 + 2181529 = 3145^2 + 1477^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12072553) 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, 3944 + ... + 6300.

Almost surely, 2^12072554 is an apocalyptic number.

12072554 is a deficient number, since it is larger than the sum of its proper divisors (7536574).

12072554 is a wasteful number, since it uses less digits than its factorization.

12072554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 12072554 is about 3474.5581013994. The cubic root of 12072554 is about 229.4033305765.

Adding to 12072554 its reverse (45527021), we get a palindrome (57599575).

The spelling of 12072554 in words is "twelve million, seventy-two thousand, five hundred fifty-four".