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13214411 = 71887773
BaseRepresentation
bin110010011010…
…001011001011
3220212100202122
4302122023023
511340330121
61151121455
7220214660
oct62321313
926770678
1013214411
117506201
12451328b
1329789a2
141a7da67
1512605ab
hexc9a2cb

13214411 has 4 divisors (see below), whose sum is σ = 15102192. Its totient is φ = 11326632.

The previous prime is 13214371. The next prime is 13214413. The reversal of 13214411 is 11441231.

It is a happy number.

13214411 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: 11441231 = 18796089.

It is a cyclic number.

It is not a de Polignac number, because 13214411 - 222 = 9020107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13214411.

It is not an unprimeable number, because it can be changed into a prime (13214413) 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, 943880 + ... + 943893.

It is an arithmetic number, because the mean of its divisors is an integer number (3775548).

Almost surely, 213214411 is an apocalyptic number.

13214411 is a deficient number, since it is larger than the sum of its proper divisors (1887781).

13214411 is an equidigital number, since it uses as much as digits as its factorization.

13214411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887780.

The product of its digits is 96, while the sum is 17.

The square root of 13214411 is about 3635.1631325155. The cubic root of 13214411 is about 236.4191237894.

Adding to 13214411 its reverse (11441231), we get a palindrome (24655642).

The spelling of 13214411 in words is "thirteen million, two hundred fourteen thousand, four hundred eleven".

Divisors: 1 7 1887773 13214411