12025907 has 4 divisors (see below), whose sum is σ = 12039480. Its totient is φ = 12012336.

The previous prime is 12025903. The next prime is 12025921. The reversal of 12025907 is 70952021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12025907 - 2² = 12025903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12025903) 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 3 ways as a sum of consecutive naturals, for example, 5357 + ... + 7262.

It is an arithmetic number, because the mean of its divisors is an integer number (3009870).

Almost surely, 2^12025907 is an apocalyptic number.

12025907 is a deficient number, since it is larger than the sum of its proper divisors (13573).

12025907 is an equidigital number, since it uses as much as digits as its factorization.

12025907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13572.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 12025907 is about 3467.8389524313. The cubic root of 12025907 is about 229.1074862648.

Adding to 12025907 its reverse (70952021), we get a palindrome (82977928).

The spelling of 12025907 in words is "twelve million, twenty-five thousand, nine hundred seven".