12417445 has 16 divisors (see below), whose sum is σ = 15314688. Its totient is φ = 9662400.

The previous prime is 12417437. The next prime is 12417467. The reversal of 12417445 is 54471421.

It is not a de Polignac number, because 12417445 - 2³ = 12417437 is a prime.

It is a Duffinian number.

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, 33652 + ... + 34018.

It is an arithmetic number, because the mean of its divisors is an integer number (957168).

Almost surely, 2^12417445 is an apocalyptic number.

It is an amenable number.

12417445 is a deficient number, since it is larger than the sum of its proper divisors (2897243).

12417445 is a wasteful number, since it uses less digits than its factorization.

12417445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its digits is 4480, while the sum is 28.

The square root of 12417445 is about 3523.8395252906. The cubic root of 12417445 is about 231.5673976179.

Adding to 12417445 its reverse (54471421), we get a palindrome (66888866).

The spelling of 12417445 in words is "twelve million, four hundred seventeen thousand, four hundred forty-five".