12458623 has 4 divisors (see below), whose sum is σ = 13114360. Its totient is φ = 11802888.

The previous prime is 12458609. The next prime is 12458639. The reversal of 12458623 is 32685421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12458623 is a prime.

It is a super-2 number, since 2×12458623² = 310434574112258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12458323) 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, 327840 + ... + 327877.

It is an arithmetic number, because the mean of its divisors is an integer number (3278590).

Almost surely, 2^12458623 is an apocalyptic number.

12458623 is a deficient number, since it is larger than the sum of its proper divisors (655737).

12458623 is an equidigital number, since it uses as much as digits as its factorization.

12458623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655736.

The product of its digits is 11520, while the sum is 31.

The square root of 12458623 is about 3529.6774640185. The cubic root of 12458623 is about 231.8230852504.

It can be divided in two parts, 124586 and 23, that added together give a square (124609 = 353²).

The spelling of 12458623 in words is "twelve million, four hundred fifty-eight thousand, six hundred twenty-three".