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12502272 = 28373223
BaseRepresentation
bin101111101100…
…010100000000
3212112011220010
4233230110000
511200033042
61123544520
7211160526
oct57542400
925464803
1012502272
11706a162
12422b140
1327897c3
141936316
15116e59c
hexbec500

12502272 has 72 divisors (see below), whose sum is σ = 33881344. Its totient is φ = 4091904.

The previous prime is 12502249. The next prime is 12502289. The reversal of 12502272 is 27220521.

It is a happy number.

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, 55953 + ... + 56175.

Almost surely, 212502272 is an apocalyptic number.

12502272 is a gapful number since it is divisible by the number (12) 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 12502272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16940672).

12502272 is an abundant number, since it is smaller than the sum of its proper divisors (21379072).

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

12502272 is an equidigital number, since it uses as much as digits as its factorization.

12502272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12502272 is about 3535.8552006551. The cubic root of 12502272 is about 232.0935017486.

Adding to 12502272 its reverse (27220521), we get a palindrome (39722793).

The spelling of 12502272 in words is "twelve million, five hundred two thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 73 96 128 146 192 219 223 256 292 384 438 446 584 669 768 876 892 1168 1338 1752 1784 2336 2676 3504 3568 4672 5352 7008 7136 9344 10704 14016 14272 16279 18688 21408 28032 28544 32558 42816 48837 56064 57088 65116 85632 97674 130232 171264 195348 260464 390696 520928 781392 1041856 1562784 2083712 3125568 4167424 6251136 12502272