13040112 has 40 divisors (see below), whose sum is σ = 33832656. Its totient is φ = 4327936.

The previous prime is 13040107. The next prime is 13040117. The reversal of 13040112 is 21104031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13040107) and next prime (13040117).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14788 + ... + 15644.

Almost surely, 2^13040112 is an apocalyptic number.

13040112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13040112 is an abundant number, since it is smaller than the sum of its proper divisors (20792544).

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

13040112 is a wasteful number, since it uses less digits than its factorization.

13040112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13040112 is about 3611.1095247860. The cubic root of 13040112 is about 235.3750582515.

Adding to 13040112 its reverse (21104031), we get a palindrome (34144143).

The spelling of 13040112 in words is "thirteen million, forty thousand, one hundred twelve".