13912143 has 8 divisors (see below), whose sum is σ = 21199488. Its totient is φ = 7949784.

The previous prime is 13912127. The next prime is 13912147. The reversal of 13912143 is 34121931.

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

It is not a de Polignac number, because 13912143 - 2⁴ = 13912127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13912147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331221 + ... + 331262.

It is an arithmetic number, because the mean of its divisors is an integer number (2649936).

Almost surely, 2^13912143 is an apocalyptic number.

13912143 is a deficient number, since it is larger than the sum of its proper divisors (7287345).

13912143 is an equidigital number, since it uses as much as digits as its factorization.

13912143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662493.

The product of its digits is 648, while the sum is 24.

The square root of 13912143 is about 3729.8985240888. The cubic root of 13912143 is about 240.5090065106.

The spelling of 13912143 in words is "thirteen million, nine hundred twelve thousand, one hundred forty-three".