12624523 has 4 divisors (see below), whose sum is σ = 13367160. Its totient is φ = 11881888.

The previous prime is 12624509. The next prime is 12624553. The reversal of 12624523 is 32542621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32542621 = 5441 ⋅5981.

It is a cyclic number.

It is not a de Polignac number, because 12624523 - 2¹⁷ = 12493451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12624503) 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, 371293 + ... + 371326.

It is an arithmetic number, because the mean of its divisors is an integer number (3341790).

Almost surely, 2^12624523 is an apocalyptic number.

12624523 is a deficient number, since it is larger than the sum of its proper divisors (742637).

12624523 is an equidigital number, since it uses as much as digits as its factorization.

12624523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742636.

The product of its digits is 2880, while the sum is 25.

The square root of 12624523 is about 3553.1004770482. The cubic root of 12624523 is about 232.8475428205.

It can be divided in two parts, 126 and 24523, that added together give a square (24649 = 157²).

The spelling of 12624523 in words is "twelve million, six hundred twenty-four thousand, five hundred twenty-three".