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13231014 = 234351283
BaseRepresentation
bin110010011110…
…001110100110
3220220012112120
4302132032212
511341343024
61151330410
7220314246
oct62361646
926805476
1013231014
117517725
124520a06
132983404
141a85b26
151265479
hexc9e3a6

13231014 has 16 divisors (see below), whose sum is σ = 27077952. Its totient is φ = 4307688.

The previous prime is 13230991. The next prime is 13231019. The reversal of 13231014 is 41013231.

It is a junction number, because it is equal to n+sod(n) for n = 13230984 and 13231002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231019) 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, 25384 + ... + 25899.

It is an arithmetic number, because the mean of its divisors is an integer number (1692372).

Almost surely, 213231014 is an apocalyptic number.

13231014 is an abundant number, since it is smaller than the sum of its proper divisors (13846938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231014 is a wasteful number, since it uses less digits than its factorization.

13231014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51331.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13231014 is about 3637.4460820746. The cubic root of 13231014 is about 236.5180971481.

Adding to 13231014 its reverse (41013231), we get a palindrome (54244245).

The spelling of 13231014 in words is "thirteen million, two hundred thirty-one thousand, fourteen".

Divisors: 1 2 3 6 43 86 129 258 51283 102566 153849 307698 2205169 4410338 6615507 13231014