13125623 has 8 divisors (see below), whose sum is σ = 15026592. Its totient is φ = 11231136.

The previous prime is 13125611. The next prime is 13125653. The reversal of 13125623 is 32652131.

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

It is not a de Polignac number, because 13125623 - 2¹⁸ = 12863479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4061 + ... + 6537.

It is an arithmetic number, because the mean of its divisors is an integer number (1878324).

Almost surely, 2^13125623 is an apocalyptic number.

13125623 is a deficient number, since it is larger than the sum of its proper divisors (1900969).

13125623 is an equidigital number, since it uses as much as digits as its factorization.

13125623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241.

The product of its digits is 1080, while the sum is 23.

The square root of 13125623 is about 3622.9301676958. The cubic root of 13125623 is about 235.8884311769. Note that the first 3 decimals are identical.

Adding to 13125623 its reverse (32652131), we get a palindrome (45777754).

The spelling of 13125623 in words is "thirteen million, one hundred twenty-five thousand, six hundred twenty-three".