12623434 has 8 divisors (see below), whose sum is σ = 19292580. Its totient is φ = 6192576.

The previous prime is 12623431. The next prime is 12623441. The reversal of 12623434 is 43432621.

It can be written as a sum of positive squares in 2 ways, for example, as 9891025 + 2732409 = 3145^2 + 1653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12623399 and 12623408.

It is not an unprimeable number, because it can be changed into a prime (12623431) 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, 59439 + ... + 59650.

Almost surely, 2^12623434 is an apocalyptic number.

12623434 is a deficient number, since it is larger than the sum of its proper divisors (6669146).

12623434 is a wasteful number, since it uses less digits than its factorization.

12623434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119144.

The product of its digits is 3456, while the sum is 25.

The square root of 12623434 is about 3552.9472273030. The cubic root of 12623434 is about 232.8408474318.

The spelling of 12623434 in words is "twelve million, six hundred twenty-three thousand, four hundred thirty-four".