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12070 = 251771
BaseRepresentation
bin10111100100110
3121120001
42330212
5341240
6131514
750122
oct27446
917501
1012070
119083
126b9a
135656
144582
15389a
hex2f26

12070 has 16 divisors (see below), whose sum is σ = 23328. Its totient is φ = 4480.

The previous prime is 12049. The next prime is 12071. The reversal of 12070 is 7021.

12070 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (10).

12070 is an undulating number in base 13.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071) 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, 135 + ... + 205.

It is an arithmetic number, because the mean of its divisors is an integer number (1458).

212070 is an apocalyptic number.

12070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12070 is a deficient number, since it is larger than the sum of its proper divisors (11258).

12070 is a wasteful number, since it uses less digits than its factorization.

12070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95.

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 12070 is about 109.8635517358. The cubic root of 12070 is about 22.9387152353.

Adding to 12070 its reverse (7021), we get a palindrome (19091).

It can be divided in two parts, 120 and 70, that added together give a triangular number (190 = T19).

The spelling of 12070 in words is "twelve thousand, seventy", and thus it is an iban number.

Divisors: 1 2 5 10 17 34 71 85 142 170 355 710 1207 2414 6035 12070