13387112 has 8 divisors (see below), whose sum is σ = 25100850. Its totient is φ = 6693552.

The previous prime is 13387097. The next prime is 13387117. The reversal of 13387112 is 21178331.

It can be written as a sum of positive squares in only one way, i.e., 10023556 + 3363556 = 3166^2 + 1834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13387117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836687 + ... + 836702.

Almost surely, 2^13387112 is an apocalyptic number.

It is an amenable number.

13387112 is a deficient number, since it is larger than the sum of its proper divisors (11713738).

13387112 is a wasteful number, since it uses less digits than its factorization.

13387112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673395 (or 1673391 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 13387112 is about 3658.8402534136. The cubic root of 13387112 is about 237.4446009291. Note that the first 3 decimals are identical.

The spelling of 13387112 in words is "thirteen million, three hundred eighty-seven thousand, one hundred twelve".