12623194 has 4 divisors (see below), whose sum is σ = 18934794. Its totient is φ = 6311596.

The previous prime is 12623189. The next prime is 12623287. The reversal of 12623194 is 49132621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 56169 = 3545^2 + 237^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3155797 + ... + 3155800.

Almost surely, 2^12623194 is an apocalyptic number.

12623194 is a deficient number, since it is larger than the sum of its proper divisors (6311600).

12623194 is an equidigital number, since it uses as much as digits as its factorization.

12623194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311599.

The product of its digits is 2592, while the sum is 28.

The square root of 12623194 is about 3552.9134523655. The cubic root of 12623194 is about 232.8393718123.

It can be divided in two parts, 1 and 2623194, that added together give a triangular number (2623195 = T₂₂₉₀).

The spelling of 12623194 in words is "twelve million, six hundred twenty-three thousand, one hundred ninety-four".