13512422 has 16 divisors (see below), whose sum is σ = 25270272. Its totient is φ = 5264520.

The previous prime is 13512409. The next prime is 13512461. The reversal of 13512422 is 22421531.

It is a junction number, because it is equal to n+sod(n) for n = 13512394 and 13512403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43718 + ... + 44025.

It is an arithmetic number, because the mean of its divisors is an integer number (1579392).

Almost surely, 2^13512422 is an apocalyptic number.

13512422 is a deficient number, since it is larger than the sum of its proper divisors (11757850).

13512422 is a wasteful number, since it uses less digits than its factorization.

13512422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87763.

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

The square root of 13512422 is about 3675.9246455824. The cubic root of 13512422 is about 238.1831676134.

Adding to 13512422 its reverse (22421531), we get a palindrome (35933953).

It can be divided in two parts, 1351 and 2422, that added together give a palindrome (3773).

The spelling of 13512422 in words is "thirteen million, five hundred twelve thousand, four hundred twenty-two".