13745670 has 16 divisors (see below), whose sum is σ = 32989680. Its totient is φ = 3665504.

The previous prime is 13745657. The next prime is 13745689. The reversal of 13745670 is 7654731.

13745670 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229065 + ... + 229124.

It is an arithmetic number, because the mean of its divisors is an integer number (2061855).

Almost surely, 2^13745670 is an apocalyptic number.

13745670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13745670 is an abundant number, since it is smaller than the sum of its proper divisors (19244010).

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

13745670 is a wasteful number, since it uses less digits than its factorization.

13745670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458199.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 13745670 is about 3707.5153404942. The cubic root of 13745670 is about 239.5458425184.

The spelling of 13745670 in words is "thirteen million, seven hundred forty-five thousand, six hundred seventy".