12445153 has 4 divisors (see below), whose sum is σ = 14223040. Its totient is φ = 10667268.

The previous prime is 12445151. The next prime is 12445157. The reversal of 12445153 is 35154421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12445153 - 2¹ = 12445151 is a prime.

It is a super-3 number, since 3×12445153³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12445151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888933 + ... + 888946.

It is an arithmetic number, because the mean of its divisors is an integer number (3555760).

Almost surely, 2^12445153 is an apocalyptic number.

It is an amenable number.

12445153 is a deficient number, since it is larger than the sum of its proper divisors (1777887).

12445153 is an equidigital number, since it uses as much as digits as its factorization.

12445153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777886.

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

The square root of 12445153 is about 3527.7688416335. The cubic root of 12445153 is about 231.7395077149.

Adding to 12445153 its reverse (35154421), we get a palindrome (47599574).

The spelling of 12445153 in words is "twelve million, four hundred forty-five thousand, one hundred fifty-three".