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BaseRepresentation
bin101110001011…
…000101000001
3211202221120100
4232023011001
511044312001
61111233013
7204611430
oct56130501
924687510
1012104001
116917a08
124078769
13267a440
141871117
1510e1586
hexb8b141

12104001 has 24 divisors (see below), whose sum is σ = 21519680. Its totient is φ = 6384096.

The previous prime is 12103999. The next prime is 12104021. The reversal of 12104001 is 10040121.

It is a happy number.

It is not a de Polignac number, because 12104001 - 21 = 12103999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12104021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6571 + ... + 8208.

Almost surely, 212104001 is an apocalyptic number.

It is an amenable number.

12104001 is a deficient number, since it is larger than the sum of its proper divisors (9415679).

12104001 is a wasteful number, since it uses less digits than its factorization.

12104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14805 (or 14802 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 12104001 is about 3479.0804819665. The cubic root of 12104001 is about 229.6023437482.

Adding to 12104001 its reverse (10040121), we get a palindrome (22144122).

The spelling of 12104001 in words is "twelve million, one hundred four thousand, one".