13971395 has 8 divisors (see below), whose sum is σ = 16939104. Its totient is φ = 11061504.

The previous prime is 13971389. The next prime is 13971407. The reversal of 13971395 is 59317931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13971395 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13919 + ... + 14888.

It is an arithmetic number, because the mean of its divisors is an integer number (2117388).

Almost surely, 2^13971395 is an apocalyptic number.

13971395 is a deficient number, since it is larger than the sum of its proper divisors (2967709).

13971395 is an equidigital number, since it uses as much as digits as its factorization.

13971395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28909.

The product of its digits is 25515, while the sum is 38.

The square root of 13971395 is about 3737.8329283156. The cubic root of 13971395 is about 240.8499665905.

The spelling of 13971395 in words is "thirteen million, nine hundred seventy-one thousand, three hundred ninety-five".