13744540 has 24 divisors (see below), whose sum is σ = 29009232. Its totient is φ = 5470080.

The previous prime is 13744531. The next prime is 13744559. The reversal of 13744540 is 4544731.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13744499 and 13744508.

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, 2592 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (1208718).

Almost surely, 2^13744540 is an apocalyptic number.

13744540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13744540 is an abundant number, since it is smaller than the sum of its proper divisors (15264692).

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

13744540 is a wasteful number, since it uses less digits than its factorization.

13744540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 13744540 is about 3707.3629441963. The cubic root of 13744540 is about 239.5392781671.

The spelling of 13744540 in words is "thirteen million, seven hundred forty-four thousand, five hundred forty".