14891231 has 4 divisors (see below), whose sum is σ = 15675000. Its totient is φ = 14107464.

The previous prime is 14891221. The next prime is 14891249. The reversal of 14891231 is 13219841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13219841 = 37 ⋅357293.

It is a cyclic number.

It is not a de Polignac number, because 14891231 - 2¹⁰ = 14890207 is a prime.

It is a super-2 number, since 2×14891231² = 443497521390722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14891194 and 14891203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14891221) 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, 391856 + ... + 391893.

It is an arithmetic number, because the mean of its divisors is an integer number (3918750).

Almost surely, 2^14891231 is an apocalyptic number.

14891231 is a deficient number, since it is larger than the sum of its proper divisors (783769).

14891231 is an equidigital number, since it uses as much as digits as its factorization.

14891231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783768.

The product of its digits is 1728, while the sum is 29.

The square root of 14891231 is about 3858.9157803715. The cubic root of 14891231 is about 246.0236553805.

The spelling of 14891231 in words is "fourteen million, eight hundred ninety-one thousand, two hundred thirty-one".