12261253 has 2 divisors, whose sum is σ = 12261254. Its totient is φ = 12261252.

The previous prime is 12261211. The next prime is 12261257. The reversal of 12261253 is 35216221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8025889 + 4235364 = 2833^2 + 2058^2 .

It is a cyclic number.

It is not a de Polignac number, because 12261253 - 2⁹ = 12260741 is a prime.

It is equal to p₈₀₄₀₄₆ and since 12261253 and 804046 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12261257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130626 + 6130627.

It is an arithmetic number, because the mean of its divisors is an integer number (6130627).

Almost surely, 2^12261253 is an apocalyptic number.

It is an amenable number.

12261253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12261253 is an equidigital number, since it uses as much as digits as its factorization.

12261253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 12261253 is about 3501.6072024143. The cubic root of 12261253 is about 230.5923797205.

Adding to 12261253 its reverse (35216221), we get a palindrome (47477474).

The spelling of 12261253 in words is "twelve million, two hundred sixty-one thousand, two hundred fifty-three".