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12799404 = 2233313823
BaseRepresentation
bin110000110100…
…110110101100
3220002021111000
4300310312230
511234040104
61134200300
7213536022
oct60646654
926067430
1012799404
117252422
124353090
132861b17
1419b2712
1511cc639
hexc34dac

12799404 has 48 divisors (see below), whose sum is σ = 34263040. Its totient is φ = 4127760.

The previous prime is 12799399. The next prime is 12799417. The reversal of 12799404 is 40499721.

12799404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 5259.

Almost surely, 212799404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12799404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17131520).

12799404 is an abundant number, since it is smaller than the sum of its proper divisors (21463636).

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

12799404 is a wasteful number, since it uses less digits than its factorization.

12799404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12799404 is about 3577.6254694979. The cubic root of 12799404 is about 233.9177883453.

It can be divided in two parts, 12799 and 404, that added together give a triangular number (13203 = T162).

The spelling of 12799404 in words is "twelve million, seven hundred ninety-nine thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 837 1116 1674 3348 3823 7646 11469 15292 22938 34407 45876 68814 103221 118513 137628 206442 237026 355539 412884 474052 711078 1066617 1422156 2133234 3199851 4266468 6399702 12799404