12455575 has 12 divisors (see below), whose sum is σ = 16849368. Its totient is φ = 9058400.

The previous prime is 12455563. The next prime is 12455579. The reversal of 12455575 is 57555421.

It is a de Polignac number, because none of the positive numbers 2^k-12455575 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12455575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22372 + ... + 22921.

It is an arithmetic number, because the mean of its divisors is an integer number (1404114).

Almost surely, 2^12455575 is an apocalyptic number.

12455575 is a deficient number, since it is larger than the sum of its proper divisors (4393793).

12455575 is a wasteful number, since it uses less digits than its factorization.

12455575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45314 (or 45309 counting only the distinct ones).

The product of its digits is 35000, while the sum is 34.

The square root of 12455575 is about 3529.2456701114. The cubic root of 12455575 is about 231.8041785490.

The spelling of 12455575 in words is "twelve million, four hundred fifty-five thousand, five hundred seventy-five".