13745690 has 32 divisors (see below), whose sum is σ = 29942784. Its totient is φ = 4435200.

The previous prime is 13745689. The next prime is 13745731. The reversal of 13745690 is 9654731.

It is a super-2 number, since 2×13745690² = 377887987152200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 13745690.

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 15 ways as a sum of consecutive naturals, for example, 4586 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (935712).

Almost surely, 2^13745690 is an apocalyptic number.

13745690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13745690 is an abundant number, since it is smaller than the sum of its proper divisors (16197094).

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

13745690 is a wasteful number, since it uses less digits than its factorization.

13745690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11582.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 13745690 is about 3707.5180377174. The cubic root of 13745690 is about 239.5459586984.

The spelling of 13745690 in words is "thirteen million, seven hundred forty-five thousand, six hundred ninety".