12623755 has 4 divisors (see below), whose sum is σ = 15148512. Its totient is φ = 10099000.

The previous prime is 12623749. The next prime is 12623759. The reversal of 12623755 is 55732621.

12623755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55732621 = 7 ⋅7961803.

It is not a de Polignac number, because 12623755 - 2⁷ = 12623627 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12623759) 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, 1262371 + ... + 1262380.

It is an arithmetic number, because the mean of its divisors is an integer number (3787128).

Almost surely, 2^12623755 is an apocalyptic number.

12623755 is a deficient number, since it is larger than the sum of its proper divisors (2524757).

12623755 is an equidigital number, since it uses as much as digits as its factorization.

12623755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524756.

The product of its digits is 12600, while the sum is 31.

The square root of 12623755 is about 3552.9924007799. The cubic root of 12623755 is about 232.8428210437.

The spelling of 12623755 in words is "twelve million, six hundred twenty-three thousand, seven hundred fifty-five".