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12799144 = 236723879
BaseRepresentation
bin110000110100…
…110010101000
3220002021010101
4300310302220
511234033034
61134155144
7213535201
oct60646250
926067111
1012799144
117252206
124352ab4
132861977
1419b25a8
1511cc514
hexc34ca8

12799144 has 16 divisors (see below), whose sum is σ = 24357600. Its totient is φ = 6303792.

The previous prime is 12799139. The next prime is 12799159. The reversal of 12799144 is 44199721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11404 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (1522350).

Almost surely, 212799144 is an apocalyptic number.

It is an amenable number.

12799144 is a deficient number, since it is larger than the sum of its proper divisors (11558456).

12799144 is a wasteful number, since it uses less digits than its factorization.

12799144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23952 (or 23948 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 12799144 is about 3577.5891323627. The cubic root of 12799144 is about 233.9162044425.

The spelling of 12799144 in words is "twelve million, seven hundred ninety-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 67 134 268 536 23879 47758 95516 191032 1599893 3199786 6399572 12799144