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13311412 = 227614373
BaseRepresentation
bin110010110001…
…110110110100
3221001021211021
4302301312310
511401431122
61153150524
7221100532
oct62616664
927037737
1013311412
117572074
12455b444
1329b0b9a
141aa7152
15127e1c7
hexcb1db4

13311412 has 12 divisors (see below), whose sum is σ = 23330916. Its totient is φ = 6645440.

The previous prime is 13311409. The next prime is 13311413. The reversal of 13311412 is 21411331.

It can be written as a sum of positive squares in 2 ways, for example, as 2579236 + 10732176 = 1606^2 + 3276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311413) 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 3 ways as a sum of consecutive naturals, for example, 858 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (1944243).

Almost surely, 213311412 is an apocalyptic number.

It is an amenable number.

13311412 is a deficient number, since it is larger than the sum of its proper divisors (10019504).

13311412 is a wasteful number, since it uses less digits than its factorization.

13311412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138 (or 5136 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 13311412 is about 3648.4807797219. The cubic root of 13311412 is about 236.9961959427.

Adding to 13311412 its reverse (21411331), we get a palindrome (34722743).

The spelling of 13311412 in words is "thirteen million, three hundred eleven thousand, four hundred twelve".

Divisors: 1 2 4 761 1522 3044 4373 8746 17492 3327853 6655706 13311412