13112412 has 36 divisors (see below), whose sum is σ = 31263960. Its totient is φ = 4277312.

The previous prime is 13112383. The next prime is 13112417. The reversal of 13112412 is 21421131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13112391 and 13112400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33514 + ... + 33902.

Almost surely, 2^13112412 is an apocalyptic number.

13112412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112412 is an abundant number, since it is smaller than the sum of its proper divisors (18151548).

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

13112412 is a wasteful number, since it uses less digits than its factorization.

13112412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 447 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 13112412 is about 3621.1064607382. The cubic root of 13112412 is about 235.8092636794.

Adding to 13112412 its reverse (21421131), we get a palindrome (34533543).

The spelling of 13112412 in words is "thirteen million, one hundred twelve thousand, four hundred twelve".