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13269012 = 2231577043
BaseRepresentation
bin110010100111…
…100000010100
3220222010122220
4302213200110
511344102022
61152222340
7220533111
oct62474024
926863586
1013269012
117543229
12453a9b0
1329977b3
141a95908
15127185c
hexca7814

13269012 has 24 divisors (see below), whose sum is σ = 31162656. Its totient is φ = 4394208.

The previous prime is 13269001. The next prime is 13269017. The reversal of 13269012 is 21096231.

It is a super-2 number, since 2×132690122 = 352133358912288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13269017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (1298444).

Almost surely, 213269012 is an apocalyptic number.

13269012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13269012 is an abundant number, since it is smaller than the sum of its proper divisors (17893644).

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

13269012 is a wasteful number, since it uses less digits than its factorization.

13269012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207 (or 7205 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13269012 is about 3642.6655075645. The cubic root of 13269012 is about 236.7442986301.

The spelling of 13269012 in words is "thirteen million, two hundred sixty-nine thousand, twelve".

Divisors: 1 2 3 4 6 12 157 314 471 628 942 1884 7043 14086 21129 28172 42258 84516 1105751 2211502 3317253 4423004 6634506 13269012