13747420 has 24 divisors (see below), whose sum is σ = 29053584. Its totient is φ = 5463936.

The previous prime is 13747417. The next prime is 13747429. The reversal of 13747420 is 2474731.

13747420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13747429) 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, 1152 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (1210566).

Almost surely, 2^13747420 is an apocalyptic number.

13747420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13747420 is an abundant number, since it is smaller than the sum of its proper divisors (15306164).

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

13747420 is a wasteful number, since it uses less digits than its factorization.

13747420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 13747420 is about 3707.7513400982. The cubic root of 13747420 is about 239.5560078392.

The spelling of 13747420 in words is "thirteen million, seven hundred forty-seven thousand, four hundred twenty".