12153541 has 2 divisors, whose sum is σ = 12153542. Its totient is φ = 12153540.

The previous prime is 12153517. The next prime is 12153553. The reversal of 12153541 is 14535121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 2722500 = 3071^2 + 1650^2 .

It is an emirp because it is prime and its reverse (14535121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12153541 - 2¹³ = 12145349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12153511) 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, 6076770 + 6076771.

It is an arithmetic number, because the mean of its divisors is an integer number (6076771).

Almost surely, 2^12153541 is an apocalyptic number.

It is an amenable number.

12153541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12153541 is an equidigital number, since it uses as much as digits as its factorization.

12153541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 12153541 is about 3486.1929091776. The cubic root of 12153541 is about 229.9151608961.

Adding to 12153541 its reverse (14535121), we get a palindrome (26688662).

The spelling of 12153541 in words is "twelve million, one hundred fifty-three thousand, five hundred forty-one".