12025501 has 2 divisors, whose sum is σ = 12025502. Its totient is φ = 12025500.

The previous prime is 12025487. The next prime is 12025513. The reversal of 12025501 is 10552021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9449476 + 2576025 = 3074^2 + 1605^2 .

It is an emirp because it is prime and its reverse (10552021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12025501 - 2⁵ = 12025469 is a prime.

It is a super-2 number, since 2×12025501² = 289225348602002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12035501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012750 + 6012751.

It is an arithmetic number, because the mean of its divisors is an integer number (6012751).

Almost surely, 2^12025501 is an apocalyptic number.

It is an amenable number.

12025501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12025501 is an equidigital number, since it uses as much as digits as its factorization.

12025501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 12025501 is about 3467.7804140401. The cubic root of 12025501 is about 229.1049079787.

Adding to 12025501 its reverse (10552021), we get a palindrome (22577522).

The spelling of 12025501 in words is "twelve million, twenty-five thousand, five hundred one".