13690445 has 8 divisors (see below), whose sum is σ = 16674144. Its totient is φ = 10788624.

The previous prime is 13690441. The next prime is 13690477. The reversal of 13690445 is 54409631.

13690445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13690445 - 2² = 13690441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13690441) 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, 20099 + ... + 20768.

It is an arithmetic number, because the mean of its divisors is an integer number (2084268).

Almost surely, 2^13690445 is an apocalyptic number.

It is an amenable number.

13690445 is a deficient number, since it is larger than the sum of its proper divisors (2983699).

13690445 is an equidigital number, since it uses as much as digits as its factorization.

13690445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40939.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 13690445 is about 3700.0601346465. The cubic root of 13690445 is about 239.2246098418.

The spelling of 13690445 in words is "thirteen million, six hundred ninety thousand, four hundred forty-five".