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12403630 = 251240363
BaseRepresentation
bin101111010100…
…001110101110
3212100011120201
4233110032232
511133404010
61121504114
7210300121
oct57241656
925304521
1012403630
117002038
1241a203a
132753935
14190c3b8
15115023a
hexbd43ae

12403630 has 8 divisors (see below), whose sum is σ = 22326552. Its totient is φ = 4961448.

The previous prime is 12403609. The next prime is 12403639. The reversal of 12403630 is 3630421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12403598 and 12403607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620172 + ... + 620191.

It is an arithmetic number, because the mean of its divisors is an integer number (2790819).

Almost surely, 212403630 is an apocalyptic number.

12403630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12403630 is a deficient number, since it is larger than the sum of its proper divisors (9922922).

12403630 is a wasteful number, since it uses less digits than its factorization.

12403630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240370.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 12403630 is about 3521.8787599802. The cubic root of 12403630 is about 231.4814891583.

The spelling of 12403630 in words is "twelve million, four hundred three thousand, six hundred thirty".

Divisors: 1 2 5 10 1240363 2480726 6201815 12403630