12513422 has 8 divisors (see below), whose sum is σ = 18854976. Its totient is φ = 6228432.

The previous prime is 12513409. The next prime is 12513433. The reversal of 12513422 is 22431521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12513394 and 12513403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13583 + ... + 14474.

It is an arithmetic number, because the mean of its divisors is an integer number (2356872).

Almost surely, 2^12513422 is an apocalyptic number.

12513422 is a deficient number, since it is larger than the sum of its proper divisors (6341554).

12513422 is a wasteful number, since it uses less digits than its factorization.

12513422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28282.

The product of its digits is 480, while the sum is 20.

The square root of 12513422 is about 3537.4315541081. The cubic root of 12513422 is about 232.1624778412.

Adding to 12513422 its reverse (22431521), we get a palindrome (34944943).

The spelling of 12513422 in words is "twelve million, five hundred thirteen thousand, four hundred twenty-two".