13606040 has 32 divisors (see below), whose sum is σ = 34987680. Its totient is φ = 4664832.

The previous prime is 13606037. The next prime is 13606051. The reversal of 13606040 is 4060631.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24017 + ... + 24576.

It is an arithmetic number, because the mean of its divisors is an integer number (1093365).

Almost surely, 2^13606040 is an apocalyptic number.

13606040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13606040 is an abundant number, since it is smaller than the sum of its proper divisors (21381640).

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

13606040 is a wasteful number, since it uses less digits than its factorization.

13606040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48611 (or 48607 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13606040 is about 3688.6366044922. The cubic root of 13606040 is about 238.7319696187.

Adding to 13606040 its reverse (4060631), we get a palindrome (17666671).

The spelling of 13606040 in words is "thirteen million, six hundred six thousand, forty".