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13231414 = 277691229
BaseRepresentation
bin110010011110…
…010100110110
3220220020002101
4302132110312
511341401124
61151332314
7220315360
oct62362466
926806071
1013231414
117517a59
12452109a
132983651
141a85d30
151265644
hexc9e536

13231414 has 16 divisors (see below), whose sum is σ = 22730400. Its totient is φ = 5658624.

The previous prime is 13231411. The next prime is 13231481. The reversal of 13231414 is 41413231.

It is a junction number, because it is equal to n+sod(n) for n = 13231391 and 13231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10152 + ... + 11380.

It is an arithmetic number, because the mean of its divisors is an integer number (1420650).

Almost surely, 213231414 is an apocalyptic number.

13231414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13231414 is a deficient number, since it is larger than the sum of its proper divisors (9498986).

13231414 is a wasteful number, since it uses less digits than its factorization.

13231414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007.

The product of its digits is 288, while the sum is 19.

The square root of 13231414 is about 3637.5010652919. The cubic root of 13231414 is about 236.5204805957.

Adding to 13231414 its reverse (41413231), we get a palindrome (54644645).

The spelling of 13231414 in words is "thirteen million, two hundred thirty-one thousand, four hundred fourteen".

Divisors: 1 2 7 14 769 1229 1538 2458 5383 8603 10766 17206 945101 1890202 6615707 13231414