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12061401 = 3112149223
BaseRepresentation
bin101110000000…
…101011011001
3211200210010120
4232000223121
511041431101
61110303453
7204343302
oct56005331
924623116
1012061401
116898a00
124057b89
132663c31
14185d7a9
1510d3b36
hexb80ad9

12061401 has 24 divisors (see below), whose sum is σ = 17875200. Its totient is φ = 7228320.

The previous prime is 12061367. The next prime is 12061417. The reversal of 12061401 is 10416021.

It is not a de Polignac number, because 12061401 - 26 = 12061337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12061471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53976 + ... + 54198.

It is an arithmetic number, because the mean of its divisors is an integer number (744800).

Almost surely, 212061401 is an apocalyptic number.

12061401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12061401 is a deficient number, since it is larger than the sum of its proper divisors (5813799).

12061401 is a wasteful number, since it uses less digits than its factorization.

12061401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12061401 is about 3472.9527782566. The cubic root of 12061401 is about 229.3326655061.

Adding to 12061401 its sum of digits (15), we get a triangular number (12061416 = T4911).

Adding to 12061401 its reverse (10416021), we get a palindrome (22477422).

The spelling of 12061401 in words is "twelve million, sixty-one thousand, four hundred one".

Divisors: 1 3 11 33 121 149 223 363 447 669 1639 2453 4917 7359 18029 26983 33227 54087 80949 99681 365497 1096491 4020467 12061401