12550013 has 16 divisors (see below), whose sum is σ = 15237120. Its totient is φ = 10097136.

The previous prime is 12550001. The next prime is 12550033. The reversal of 12550013 is 31005521.

It is not a de Polignac number, because 12550013 - 2¹⁴ = 12533629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12549973 and 12550000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550033) 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, 16520 + ... + 17262.

It is an arithmetic number, because the mean of its divisors is an integer number (952320).

Almost surely, 2^12550013 is an apocalyptic number.

It is an amenable number.

12550013 is a deficient number, since it is larger than the sum of its proper divisors (2687107).

12550013 is a wasteful number, since it uses less digits than its factorization.

12550013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 12550013 is about 3542.5997515949. The cubic root of 12550013 is about 232.3885495053.

Adding to 12550013 its reverse (31005521), we get a palindrome (43555534).

The spelling of 12550013 in words is "twelve million, five hundred fifty thousand, thirteen".