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13340412 = 22322631409
BaseRepresentation
bin110010111000…
…111011111100
3221002202121100
4302320323330
511403343122
61153533100
7221251221
oct62707374
927082540
1013340412
117591938
124574190
1329c1147
141ab3948
151287aac
hexcb8efc

13340412 has 36 divisors (see below), whose sum is σ = 33873840. Its totient is φ = 4426752.

The previous prime is 13340407. The next prime is 13340423. The reversal of 13340412 is 21404331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8764 + ... + 10172.

It is an arithmetic number, because the mean of its divisors is an integer number (940940).

Almost surely, 213340412 is an apocalyptic number.

13340412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13340412 is an abundant number, since it is smaller than the sum of its proper divisors (20533428).

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

13340412 is a wasteful number, since it uses less digits than its factorization.

13340412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13340412 is about 3652.4528744393. The cubic root of 13340412 is about 237.1681763122.

Adding to 13340412 its reverse (21404331), we get a palindrome (34744743).

The spelling of 13340412 in words is "thirteen million, three hundred forty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 263 526 789 1052 1409 1578 2367 2818 3156 4227 4734 5636 8454 9468 12681 16908 25362 50724 370567 741134 1111701 1482268 2223402 3335103 4446804 6670206 13340412