14197391 has 4 divisors (see below), whose sum is σ = 15289512. Its totient is φ = 13105272.

The previous prime is 14197361. The next prime is 14197409. The reversal of 14197391 is 19379141.

It is a happy number.

14197391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19379141 = 103 ⋅188147.

It is a cyclic number.

It is not a de Polignac number, because 14197391 - 2¹⁰ = 14196367 is a prime.

It is a super-2 number, since 2×14197391² = 403131822413762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14197301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546041 + ... + 546066.

It is an arithmetic number, because the mean of its divisors is an integer number (3822378).

Almost surely, 2^14197391 is an apocalyptic number.

14197391 is a deficient number, since it is larger than the sum of its proper divisors (1092121).

14197391 is a wasteful number, since it uses less digits than its factorization.

14197391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092120.

The product of its digits is 6804, while the sum is 35.

The square root of 14197391 is about 3767.9425420248. The cubic root of 14197391 is about 242.1416594280.

The spelling of 14197391 in words is "fourteen million, one hundred ninety-seven thousand, three hundred ninety-one".