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12401133 = 318732207
BaseRepresentation
bin101111010011…
…100111101101
3212100001011020
4233103213231
511133314013
61121444353
7210256623
oct57234755
925301136
1012401133
117000178
1241a06b9
132752764
14190b513
15114e623
hexbd39ed

12401133 has 8 divisors (see below), whose sum is σ = 16551168. Its totient is φ = 8259264.

The previous prime is 12401111. The next prime is 12401141. The reversal of 12401133 is 33110421.

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

It is not a de Polignac number, because 12401133 - 25 = 12401101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401153) 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, 4516 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (2068896).

Almost surely, 212401133 is an apocalyptic number.

It is an amenable number.

12401133 is a deficient number, since it is larger than the sum of its proper divisors (4150035).

12401133 is a wasteful number, since it uses less digits than its factorization.

12401133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12401133 is about 3521.5242438467. The cubic root of 12401133 is about 231.4659547793.

Adding to 12401133 its reverse (33110421), we get a palindrome (45511554).

The spelling of 12401133 in words is "twelve million, four hundred one thousand, one hundred thirty-three".

Divisors: 1 3 1873 2207 5619 6621 4133711 12401133