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12006401 = 1110310597
BaseRepresentation
bin101101110011…
…010000000001
3211120222200112
4231303100001
511033201101
61105201105
7204024041
oct55632001
924528615
1012006401
116860650
124030195
132644ba4
141847721
1510c26bb
hexb73401

12006401 has 8 divisors (see below), whose sum is σ = 13226304. Its totient is φ = 10807920.

The previous prime is 12006359. The next prime is 12006409. The reversal of 12006401 is 10460021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12006401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12006409) 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, 4166 + ... + 6431.

It is an arithmetic number, because the mean of its divisors is an integer number (1653288).

Almost surely, 212006401 is an apocalyptic number.

12006401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12006401 is a deficient number, since it is larger than the sum of its proper divisors (1219903).

12006401 is a wasteful number, since it uses less digits than its factorization.

12006401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10711.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12006401 is about 3465.0253967323. The cubic root of 12006401 is about 228.9835485852.

Adding to 12006401 its reverse (10460021), we get a palindrome (22466422).

The spelling of 12006401 in words is "twelve million, six thousand, four hundred one".

Divisors: 1 11 103 1133 10597 116567 1091491 12006401