13971349 has 8 divisors (see below), whose sum is σ = 16030080. Its totient is φ = 11928336.

The previous prime is 13971341. The next prime is 13971367. The reversal of 13971349 is 94317931.

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

It is not a de Polignac number, because 13971349 - 2³ = 13971341 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 (13971341) 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, 1954 + ... + 5635.

It is an arithmetic number, because the mean of its divisors is an integer number (2003760).

Almost surely, 2^13971349 is an apocalyptic number.

It is an amenable number.

13971349 is a deficient number, since it is larger than the sum of its proper divisors (2058731).

13971349 is an equidigital number, since it uses as much as digits as its factorization.

13971349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7859.

The product of its digits is 20412, while the sum is 37.

The square root of 13971349 is about 3737.8267750125. The cubic root of 13971349 is about 240.8497022621.

The spelling of 13971349 in words is "thirteen million, nine hundred seventy-one thousand, three hundred forty-nine".