12054445 has 16 divisors (see below), whose sum is σ = 16495920. Its totient is φ = 8377344.

The previous prime is 12054431. The next prime is 12054463. The reversal of 12054445 is 54445021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 784996 + 11269449 = 886^2 + 3357^2 .

It is a cyclic number.

It is not a de Polignac number, because 12054445 - 2⁹ = 12053933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4350 + ... + 6559.

It is an arithmetic number, because the mean of its divisors is an integer number (1030995).

Almost surely, 2^12054445 is an apocalyptic number.

It is an amenable number.

12054445 is a deficient number, since it is larger than the sum of its proper divisors (4441475).

12054445 is a wasteful number, since it uses less digits than its factorization.

12054445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10944.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 12054445 is about 3471.9511805324. The cubic root of 12054445 is about 229.2885704410.

Adding to 12054445 its reverse (54445021), we get a palindrome (66499466).

The spelling of 12054445 in words is "twelve million, fifty-four thousand, four hundred forty-five".