13194231 has 8 divisors (see below), whose sum is σ = 17774064. Its totient is φ = 8705280.

The previous prime is 13194199. The next prime is 13194253. The reversal of 13194231 is 13249131.

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

It is not a de Polignac number, because 13194231 - 2⁵ = 13194199 is a prime.

It is a super-2 number, since 2×13194231² = 348175463362722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13194031) 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, 22380 + ... + 22961.

It is an arithmetic number, because the mean of its divisors is an integer number (2221758).

Almost surely, 2^13194231 is an apocalyptic number.

13194231 is a deficient number, since it is larger than the sum of its proper divisors (4579833).

13194231 is an equidigital number, since it uses as much as digits as its factorization.

13194231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45441.

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

The square root of 13194231 is about 3632.3864056568. The cubic root of 13194231 is about 236.2987156335.

The spelling of 13194231 in words is "thirteen million, one hundred ninety-four thousand, two hundred thirty-one".