12523870 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 4860960.

The previous prime is 12523859. The next prime is 12523877. The reversal of 12523870 is 7832521.

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 (12523877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65475 + ... + 65665.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^12523870 is an apocalyptic number.

12523870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12523870 is a deficient number, since it is larger than the sum of its proper divisors (10700450).

12523870 is a wasteful number, since it uses less digits than its factorization.

12523870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12523870 is about 3538.9080236706. The cubic root of 12523870 is about 232.2270740482.

The spelling of 12523870 in words is "twelve million, five hundred twenty-three thousand, eight hundred seventy".