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12494388 = 2231773839
BaseRepresentation
bin101111101010…
…011000110100
3212111210002010
4233222120310
511144310023
61123444220
7211125534
oct57523064
925453063
1012494388
117064245
124226670
13278603a
1419334c4
15116c093
hexbea634

12494388 has 48 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 3861504.

The previous prime is 12494369. The next prime is 12494393. The reversal of 12494388 is 88349421.

It is a super-2 number, since 2×124943882 = 312219462989088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14473 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (652680).

Almost surely, 212494388 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 12494388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

12494388 is an abundant number, since it is smaller than the sum of its proper divisors (18834252).

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

12494388 is a wasteful number, since it uses less digits than its factorization.

12494388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 934 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 12494388 is about 3534.7401601815. The cubic root of 12494388 is about 232.0447050196.

The spelling of 12494388 in words is "twelve million, four hundred ninety-four thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 73 102 146 204 219 292 438 839 876 1241 1678 2482 2517 3356 3723 4964 5034 7446 10068 14263 14892 28526 42789 57052 61247 85578 122494 171156 183741 244988 367482 734964 1041199 2082398 3123597 4164796 6247194 12494388