12513885 has 8 divisors (see below), whose sum is σ = 20022240. Its totient is φ = 6674064.

The previous prime is 12513869. The next prime is 12513889. The reversal of 12513885 is 58831521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12513885 - 2⁴ = 12513869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417115 + ... + 417144.

It is an arithmetic number, because the mean of its divisors is an integer number (2502780).

Almost surely, 2^12513885 is an apocalyptic number.

12513885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12513885 is a deficient number, since it is larger than the sum of its proper divisors (7508355).

12513885 is an equidigital number, since it uses as much as digits as its factorization.

12513885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834267.

The product of its digits is 9600, while the sum is 33.

The square root of 12513885 is about 3537.4969964652. The cubic root of 12513885 is about 232.1653411640.

The spelling of 12513885 in words is "twelve million, five hundred thirteen thousand, eight hundred eighty-five".