12507036 has 48 divisors (see below), whose sum is σ = 31754016. Its totient is φ = 3815424.

The previous prime is 12507031. The next prime is 12507037. The reversal of 12507036 is 63070521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12506997 and 12507015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507031) 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, 6720 + ... + 8376.

It is an arithmetic number, because the mean of its divisors is an integer number (661542).

Almost surely, 2^12507036 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 12507036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15877008).

12507036 is an abundant number, since it is smaller than the sum of its proper divisors (19246980).

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

12507036 is a wasteful number, since it uses less digits than its factorization.

12507036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1716 counting only the distinct ones).

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

The square root of 12507036 is about 3536.5288066125. The cubic root of 12507036 is about 232.1229778052.

Adding to 12507036 its reverse (63070521), we get a palindrome (75577557).

The spelling of 12507036 in words is "twelve million, five hundred seven thousand, thirty-six".