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12407474 = 246313399
BaseRepresentation
bin101111010101…
…001010110010
3212100100212002
4233111022302
511134014344
61121534002
7210314252
oct57251262
925310762
1012407474
117004a12
1241a4302
132755601
14190d962
15115144e
hexbd52b2

12407474 has 8 divisors (see below), whose sum is σ = 18652800. Its totient is φ = 6189876.

The previous prime is 12407453. The next prime is 12407477. The reversal of 12407474 is 47470421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×124074742 = 307890822121352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12407477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5774 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (2331600).

Almost surely, 212407474 is an apocalyptic number.

12407474 is a deficient number, since it is larger than the sum of its proper divisors (6245326).

12407474 is a wasteful number, since it uses less digits than its factorization.

12407474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 12407474 is about 3522.4244491543. The cubic root of 12407474 is about 231.5053994421.

Adding to 12407474 its reverse (47470421), we get a palindrome (59877895).

The spelling of 12407474 in words is "twelve million, four hundred seven thousand, four hundred seventy-four".

Divisors: 1 2 463 926 13399 26798 6203737 12407474