12154453 has 2 divisors, whose sum is σ = 12154454. Its totient is φ = 12154452.

The previous prime is 12154447. The next prime is 12154477. The reversal of 12154453 is 35445121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 3992004 = 2857^2 + 1998^2 .

It is a cyclic number.

It is not a de Polignac number, because 12154453 - 2²¹ = 10057301 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12154553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6077226 + 6077227.

It is an arithmetic number, because the mean of its divisors is an integer number (6077227).

Almost surely, 2^12154453 is an apocalyptic number.

It is an amenable number.

12154453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12154453 is an equidigital number, since it uses as much as digits as its factorization.

12154453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 12154453 is about 3486.3237084356. The cubic root of 12154453 is about 229.9209116860.

Adding to 12154453 its reverse (35445121), we get a palindrome (47599574).

The spelling of 12154453 in words is "twelve million, one hundred fifty-four thousand, four hundred fifty-three".