13414331 has 4 divisors (see below), whose sum is σ = 15330672. Its totient is φ = 11497992.
The previous prime is 13414273. The next prime is 13414333. The reversal of 13414331 is 13341431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13341431 = 197 ⋅67723.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13414331 is a prime.
It is a super-2 number, since 2×134143312 = 359888552355122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13414333) 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, 958160 + ... + 958173.
It is an arithmetic number, because the mean of its divisors is an integer number (3832668).
Almost surely, 213414331 is an apocalyptic number.
13414331 is a deficient number, since it is larger than the sum of its proper divisors (1916341).
13414331 is an equidigital number, since it uses as much as digits as its factorization.
13414331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1916340.
The product of its digits is 432, while the sum is 20.
The square root of 13414331 is about 3662.5579858891. The cubic root of 13414331 is about 237.6054180216.
Adding to 13414331 its reverse (13341431), we get a palindrome (26755762).
Subtracting from 13414331 its reverse (13341431), we obtain a square (72900 = 2702).
The spelling of 13414331 in words is "thirteen million, four hundred fourteen thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •