13744620 has 48 divisors (see below), whose sum is σ = 42762720. Its totient is φ = 3665088.

The previous prime is 13744613. The next prime is 13744631. The reversal of 13744620 is 2644731.

13744620 is a `hidden beast` number, since 1 + 37 + 4 + 4 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12187 + ... + 13266.

It is an arithmetic number, because the mean of its divisors is an integer number (890890).

Almost surely, 2^13744620 is an apocalyptic number.

13744620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13744620 is an abundant number, since it is smaller than the sum of its proper divisors (29018100).

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

13744620 is a wasteful number, since it uses less digits than its factorization.

13744620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25471 (or 25463 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 13744620 is about 3707.3737335208. The cubic root of 13744620 is about 239.5397429118.

The spelling of 13744620 in words is "thirteen million, seven hundred forty-four thousand, six hundred twenty".