12615023 has 4 divisors (see below), whose sum is σ = 12622128. Its totient is φ = 12607920.

The previous prime is 12614999. The next prime is 12615073. The reversal of 12615023 is 32051621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12615023 - 2¹⁰ = 12613999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12614986 and 12615004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12615073) 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, 1715 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (3155532).

Almost surely, 2^12615023 is an apocalyptic number.

12615023 is a deficient number, since it is larger than the sum of its proper divisors (7105).

12615023 is an equidigital number, since it uses as much as digits as its factorization.

12615023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12615023 is about 3551.7633648654. The cubic root of 12615023 is about 232.7891219533.

Adding to 12615023 its reverse (32051621), we get a palindrome (44666644).

The spelling of 12615023 in words is "twelve million, six hundred fifteen thousand, twenty-three".