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12508896 = 253229569
BaseRepresentation
bin101111101101…
…111011100000
3212112111222110
4233231323200
511200241041
61124035320
7211216041
oct57557340
925474873
1012508896
117074134
124232b40
13278c81a
1419388c8
151171516
hexbedee0

12508896 has 48 divisors (see below), whose sum is σ = 33037200. Its totient is φ = 4144128.

The previous prime is 12508879. The next prime is 12508907. The reversal of 12508896 is 69880521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21700 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (688275).

Almost surely, 212508896 is an apocalyptic number.

12508896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12508896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16518600).

12508896 is an abundant number, since it is smaller than the sum of its proper divisors (20528304).

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

12508896 is a wasteful number, since it uses less digits than its factorization.

12508896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 12508896 is about 3536.7917665591. The cubic root of 12508896 is about 232.1344840575.

The spelling of 12508896 in words is "twelve million, five hundred eight thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 229 458 569 687 916 1138 1374 1707 1832 2276 2748 3414 3664 4552 5496 6828 7328 9104 10992 13656 18208 21984 27312 54624 130301 260602 390903 521204 781806 1042408 1563612 2084816 3127224 4169632 6254448 12508896