12207045 has 16 divisors (see below), whose sum is σ = 19723392. Its totient is φ = 6446400.

The previous prime is 12207031. The next prime is 12207047. The reversal of 12207045 is 54070221.

12207045 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12207045 - 2⁴ = 12207029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12207047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (1232712).

Almost surely, 2^12207045 is an apocalyptic number.

12207045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12207045 is a deficient number, since it is larger than the sum of its proper divisors (7516347).

12207045 is a wasteful number, since it uses less digits than its factorization.

12207045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12207045 is about 3493.8581825827. The cubic root of 12207045 is about 230.2520551169.

Adding to 12207045 its reverse (54070221), we get a palindrome (66277266).

The spelling of 12207045 in words is "twelve million, two hundred seven thousand, forty-five".