Search a number
12001201 = 176171163
BaseRepresentation
bin101101110001…
…111110110001
3211120201112221
4231301332301
511033014301
61105121041
7204002632
oct55617661
924521487
1012001201
116857753
124029181
132642704
141845889
1510c0da1
hexb71fb1

12001201 has 16 divisors (see below), whose sum is σ = 13177728. Its totient is φ = 10886400.

The previous prime is 12001189. The next prime is 12001207. The reversal of 12001201 is 10210021.

It is a cyclic number.

It is not a de Polignac number, because 12001201 - 25 = 12001169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73546 + ... + 73708.

It is an arithmetic number, because the mean of its divisors is an integer number (823608).

Almost surely, 212001201 is an apocalyptic number.

It is an amenable number.

12001201 is a deficient number, since it is larger than the sum of its proper divisors (1176527).

12001201 is a wasteful number, since it uses less digits than its factorization.

12001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 12001201 is about 3464.2749602189. The cubic root of 12001201 is about 228.9504860437.

Adding to 12001201 its reverse (10210021), we get a palindrome (22211222).

It can be divided in two parts, 1200 and 1201, that added together give a 4-th power (2401 = 74).

The spelling of 12001201 in words is "twelve million, one thousand, two hundred one".