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12413980 = 2254115139
BaseRepresentation
bin101111010110…
…110000011100
3212100200210001
4233112300130
511134221410
61122024044
7210342235
oct57266034
925320701
1012413980
117009897
1241a8024
132758567
14191208c
15115333a
hexbd6c1c

12413980 has 24 divisors (see below), whose sum is σ = 26706960. Its totient is φ = 4844160.

The previous prime is 12413959. The next prime is 12413983. The reversal of 12413980 is 8931421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12413983) 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 7 ways as a sum of consecutive naturals, for example, 6750 + ... + 8389.

It is an arithmetic number, because the mean of its divisors is an integer number (1112790).

Almost surely, 212413980 is an apocalyptic number.

12413980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12413980 is an abundant number, since it is smaller than the sum of its proper divisors (14292980).

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

12413980 is a wasteful number, since it uses less digits than its factorization.

12413980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15189 (or 15187 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12413980 is about 3523.3478397683. The cubic root of 12413980 is about 231.5458565339.

The spelling of 12413980 in words is "twelve million, four hundred thirteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 15139 30278 60556 75695 151390 302780 620699 1241398 2482796 3103495 6206990 12413980