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13251066 = 233975563
BaseRepresentation
bin110010100011…
…000111111010
3220221020001020
4302203013322
511343013231
61152003310
7220426563
oct62430772
926836036
1013251066
1175307a4
124530536
13298c58a
141a8d16a
15126b396
hexca31fa

13251066 has 16 divisors (see below), whose sum is σ = 26573664. Its totient is φ = 4405104.

The previous prime is 13251047. The next prime is 13251071. The reversal of 13251066 is 66015231.

It is an unprimeable number.

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, 400 + ... + 5163.

It is an arithmetic number, because the mean of its divisors is an integer number (1660854).

Almost surely, 213251066 is an apocalyptic number.

13251066 is an abundant number, since it is smaller than the sum of its proper divisors (13322598).

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

13251066 is a wasteful number, since it uses less digits than its factorization.

13251066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13251066 is about 3640.2013680564. The cubic root of 13251066 is about 236.6375202706.

Adding to 13251066 its reverse (66015231), we get a palindrome (79266297).

The spelling of 13251066 in words is "thirteen million, two hundred fifty-one thousand, sixty-six".

Divisors: 1 2 3 6 397 794 1191 2382 5563 11126 16689 33378 2208511 4417022 6625533 13251066