12500623 has 4 divisors (see below), whose sum is σ = 12511408. Its totient is φ = 12489840.

The previous prime is 12500617. The next prime is 12500629. The reversal of 12500623 is 32600521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32600521 = 331 ⋅98491.

It is an interprime number because it is at equal distance from previous prime (12500617) and next prime (12500629).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12500623 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 12500623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3411 + ... + 6052.

It is an arithmetic number, because the mean of its divisors is an integer number (3127852).

Almost surely, 2^12500623 is an apocalyptic number.

12500623 is a deficient number, since it is larger than the sum of its proper divisors (10785).

12500623 is an equidigital number, since it uses as much as digits as its factorization.

12500623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10784.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12500623 is about 3535.6220103399. The cubic root of 12500623 is about 232.0832972297.

The spelling of 12500623 in words is "twelve million, five hundred thousand, six hundred twenty-three".