13719797 has 8 divisors (see below), whose sum is σ = 16886016. Its totient is φ = 10855152.

The previous prime is 13719793. The next prime is 13719803. The reversal of 13719797 is 79791731.

It is a happy number.

13719797 is digitally balanced in base 3, 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 not a de Polignac number, because 13719797 - 2² = 13719793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13719793) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75293 + ... + 75474.

It is an arithmetic number, because the mean of its divisors is an integer number (2110752).

Almost surely, 2^13719797 is an apocalyptic number.

It is an amenable number.

13719797 is a deficient number, since it is larger than the sum of its proper divisors (3166219).

13719797 is a wasteful number, since it uses less digits than its factorization.

13719797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150787.

The product of its digits is 83349, while the sum is 44.

The square root of 13719797 is about 3704.0244329648. The cubic root of 13719797 is about 239.3954518312.

The spelling of 13719797 in words is "thirteen million, seven hundred nineteen thousand, seven hundred ninety-seven".