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12711480 = 2335105929
BaseRepresentation
bin110000011111…
…011000111000
3212220210212120
4300133120320
511223231410
61132241240
7213021465
oct60373070
925823776
1012711480
1171a2361
124310220
132830ab2
14198c66c
1511b1570
hexc1f638

12711480 has 32 divisors (see below), whose sum is σ = 38134800. Its totient is φ = 3389696.

The previous prime is 12711473. The next prime is 12711481. The reversal of 12711480 is 8411721.

12711480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12711480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52845 + ... + 53084.

Almost surely, 212711480 is an apocalyptic number.

12711480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12711480 is an abundant number, since it is smaller than the sum of its proper divisors (25423320).

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

12711480 is a wasteful number, since it uses less digits than its factorization.

12711480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105943 (or 105939 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 12711480 is about 3565.3162552570. The cubic root of 12711480 is about 233.3809335995.

The spelling of 12711480 in words is "twelve million, seven hundred eleven thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 105929 211858 317787 423716 529645 635574 847432 1059290 1271148 1588935 2118580 2542296 3177870 4237160 6355740 12711480