12523476 has 96 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 3354624.

The previous prime is 12523471. The next prime is 12523481. The reversal of 12523476 is 67432521.

It is an interprime number because it is at equal distance from previous prime (12523471) and next prime (12523481).

It is a super-2 number, since 2×12523476² = 313674902245152, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129060 + ... + 129156.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 2^12523476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12523476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17781120).

12523476 is an abundant number, since it is smaller than the sum of its proper divisors (23038764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12523476 is a wasteful number, since it uses less digits than its factorization.

12523476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 191 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 12523476 is about 3538.8523563438. The cubic root of 12523476 is about 232.2246387406.

Adding to 12523476 its reverse (67432521), we get a palindrome (79955997).

The spelling of 12523476 in words is "twelve million, five hundred twenty-three thousand, four hundred seventy-six".