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12690060 = 2235211501
BaseRepresentation
bin110000011010…
…001010001100
3212212201111020
4300122022030
511222040220
61131554140
7212602155
oct60321214
925781436
1012690060
117188259
1242bb950
132824116
14198492c
1511aa040
hexc1a28c

12690060 has 24 divisors (see below), whose sum is σ = 35532336. Its totient is φ = 3384000.

The previous prime is 12690059. The next prime is 12690061. The reversal of 12690060 is 6009621.

It is an interprime number because it is at equal distance from previous prime (12690059) and next prime (12690061).

It is a super-2 number, since 2×126900602 = 322075245607200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12690060.

It is not an unprimeable number, because it can be changed into a prime (12690061) 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, 105691 + ... + 105810.

It is an arithmetic number, because the mean of its divisors is an integer number (1480514).

Almost surely, 212690060 is an apocalyptic number.

12690060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12690060 is an abundant number, since it is smaller than the sum of its proper divisors (22842276).

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

12690060 is a wasteful number, since it uses less digits than its factorization.

12690060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211513 (or 211511 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12690060 is about 3562.3110476206. The cubic root of 12690060 is about 233.2497705311.

Adding to 12690060 its reverse (6009621), we get a palindrome (18699681).

The spelling of 12690060 in words is "twelve million, six hundred ninety thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 211501 423002 634503 846004 1057505 1269006 2115010 2538012 3172515 4230020 6345030 12690060