12503670 has 32 divisors (see below), whose sum is σ = 31775328. Its totient is φ = 3138048.

The previous prime is 12503663. The next prime is 12503671. The reversal of 12503670 is 7630521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12503670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503671) 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, 11749 + ... + 12768.

It is an arithmetic number, because the mean of its divisors is an integer number (992979).

Almost surely, 2^12503670 is an apocalyptic number.

12503670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12503670 is an abundant number, since it is smaller than the sum of its proper divisors (19271658).

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

12503670 is a wasteful number, since it uses less digits than its factorization.

12503670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24544.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 12503670 is about 3536.0528842199. The cubic root of 12503670 is about 232.1021522995.

The spelling of 12503670 in words is "twelve million, five hundred three thousand, six hundred seventy".