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12446401 = 111131491
BaseRepresentation
bin101111011110…
…101011000001
3212102100020211
4233132223001
511141241101
61122434121
7210535612
oct57365301
925370224
1012446401
117031190
124202941
13276a246
14191dc09
15115cc51
hexbdeac1

12446401 has 4 divisors (see below), whose sum is σ = 13577904. Its totient is φ = 11314900.

The previous prime is 12446353. The next prime is 12446419. The reversal of 12446401 is 10464421.

12446401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12446401 - 29 = 12445889 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12446491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565735 + ... + 565756.

It is an arithmetic number, because the mean of its divisors is an integer number (3394476).

Almost surely, 212446401 is an apocalyptic number.

12446401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12446401 is a deficient number, since it is larger than the sum of its proper divisors (1131503).

12446401 is a wasteful number, since it uses less digits than its factorization.

12446401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131502.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12446401 is about 3527.9457195371. The cubic root of 12446401 is about 231.7472537356.

The spelling of 12446401 in words is "twelve million, four hundred forty-six thousand, four hundred one".

Divisors: 1 11 1131491 12446401