13967291 has 8 divisors (see below), whose sum is σ = 15081024. Its totient is φ = 12859200.

The previous prime is 13967273. The next prime is 13967293. The reversal of 13967291 is 19276931.

It is a happy number.

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 13967291 - 2¹⁸ = 13705147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13967293) 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, 4766 + ... + 7116.

It is an arithmetic number, because the mean of its divisors is an integer number (1885128).

Almost surely, 2^13967291 is an apocalyptic number.

13967291 is a deficient number, since it is larger than the sum of its proper divisors (1113733).

13967291 is a wasteful number, since it uses less digits than its factorization.

13967291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821.

The product of its digits is 20412, while the sum is 38.

The square root of 13967291 is about 3737.2839067965. The cubic root of 13967291 is about 240.8263816142.

The spelling of 13967291 in words is "thirteen million, nine hundred sixty-seven thousand, two hundred ninety-one".