12445455 has 24 divisors (see below), whose sum is σ = 21890736. Its totient is φ = 6033280.

The previous prime is 12445441. The next prime is 12445469. The reversal of 12445455 is 55454421.

It is an interprime number because it is at equal distance from previous prime (12445441) and next prime (12445469).

It is not a de Polignac number, because 12445455 - 2⁴ = 12445439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1614 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (912114).

Almost surely, 2^12445455 is an apocalyptic number.

12445455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12445455 is a deficient number, since it is larger than the sum of its proper divisors (9445281).

12445455 is a wasteful number, since it uses less digits than its factorization.

12445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887 (or 6876 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 12445455 is about 3527.8116446318. The cubic root of 12445455 is about 231.7413822001.

Adding to 12445455 its reverse (55454421), we get a palindrome (67899876).

The spelling of 12445455 in words is "twelve million, four hundred forty-five thousand, four hundred fifty-five".