12523380 has 48 divisors (see below), whose sum is σ = 36201984. Its totient is φ = 3231360.

The previous prime is 12523333. The next prime is 12523391. The reversal of 12523380 is 8332521.

It is a self number, because there is not a number n which added to its sum of digits gives 12523380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (754208).

Almost surely, 2^12523380 is an apocalyptic number.

12523380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12523380 is an abundant number, since it is smaller than the sum of its proper divisors (23678604).

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

12523380 is a wasteful number, since it uses less digits than its factorization.

12523380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776 (or 6774 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12523380 is about 3538.8387925985. The cubic root of 12523380 is about 232.2240453584.

It can be divided in two parts, 1 and 2523380, that added together give a triangular number (2523381 = T₂₂₄₆).

The spelling of 12523380 in words is "twelve million, five hundred twenty-three thousand, three hundred eighty".