12355144 has 16 divisors (see below), whose sum is σ = 23205420. Its totient is φ = 6167040.

The previous prime is 12355139. The next prime is 12355153. The reversal of 12355144 is 44155321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9672100 + 2683044 = 3110^2 + 1638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6172 + ... + 7924.

Almost surely, 2^12355144 is an apocalyptic number.

It is an amenable number.

12355144 is a deficient number, since it is larger than the sum of its proper divisors (10850276).

12355144 is a wasteful number, since it uses less digits than its factorization.

12355144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2636 counting only the distinct ones).

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

The square root of 12355144 is about 3514.9884779328. The cubic root of 12355144 is about 231.1794735990.

The spelling of 12355144 in words is "twelve million, three hundred fifty-five thousand, one hundred forty-four".