13966395 has 16 divisors (see below), whose sum is σ = 22405632. Its totient is φ = 7428960.

The previous prime is 13966391. The next prime is 13966409. The reversal of 13966395 is 59366931.

It is not a de Polignac number, because 13966395 - 2² = 13966391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13966391) 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 15 ways as a sum of consecutive naturals, for example, 5940 + ... + 7950.

It is an arithmetic number, because the mean of its divisors is an integer number (1400352).

Almost surely, 2^13966395 is an apocalyptic number.

13966395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13966395 is a deficient number, since it is larger than the sum of its proper divisors (8439237).

13966395 is a wasteful number, since it uses less digits than its factorization.

13966395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482.

The product of its digits is 131220, while the sum is 42.

The square root of 13966395 is about 3737.1640317225. The cubic root of 13966395 is about 240.8212318431.

The spelling of 13966395 in words is "thirteen million, nine hundred sixty-six thousand, three hundred ninety-five".