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12440796 = 2233153631
BaseRepresentation
bin101111011101…
…010011011100
3212102001120020
4233131103130
511141101141
61122352140
7210513354
oct57352334
925361506
1012440796
117027a55
1241bb650
132767824
14191bb64
15115b266
hexbdd4dc

12440796 has 48 divisors (see below), whose sum is σ = 30578688. Its totient is φ = 3931200.

The previous prime is 12440741. The next prime is 12440809. The reversal of 12440796 is 69704421.

It is a happy number.

It is a super-2 number, since 2×124407962 = 309546810227232, which contains 22 as substring.

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, 19401 + ... + 20031.

It is an arithmetic number, because the mean of its divisors is an integer number (637056).

Almost surely, 212440796 is an apocalyptic number.

It is an amenable number.

12440796 is an abundant number, since it is smaller than the sum of its proper divisors (18137892).

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

12440796 is a wasteful number, since it uses less digits than its factorization.

12440796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12440796 is about 3527.1512584521. The cubic root of 12440796 is about 231.7124608561.

The spelling of 12440796 in words is "twelve million, four hundred forty thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 31 53 62 93 106 124 159 186 212 318 372 631 636 1262 1643 1893 2524 3286 3786 4929 6572 7572 9858 19561 19716 33443 39122 58683 66886 78244 100329 117366 133772 200658 234732 401316 1036733 2073466 3110199 4146932 6220398 12440796