13745770 has 16 divisors (see below), whose sum is σ = 24893568. Its totient is φ = 5464720.

The previous prime is 13745749. The next prime is 13745777. The reversal of 13745770 is 7754731.

It is not an unprimeable number, because it can be changed into a prime (13745777) 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, 2446 + ... + 5785.

It is an arithmetic number, because the mean of its divisors is an integer number (1555848).

Almost surely, 2^13745770 is an apocalyptic number.

13745770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13745770 is a deficient number, since it is larger than the sum of its proper divisors (11147798).

13745770 is a wasteful number, since it uses less digits than its factorization.

13745770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 13745770 is about 3707.5288265906. The cubic root of 13745770 is about 239.5464234171.

The spelling of 13745770 in words is "thirteen million, seven hundred forty-five thousand, seven hundred seventy".