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BaseRepresentation
bin110101011010…
…111110011001
3222100111001011
4311122332121
512041112441
61220053521
7230014225
oct65327631
928314034
1014004121
1179a555a
1248342a1
132b94281
141c07785
151369581
hexd5af99

14004121 has 4 divisors (see below), whose sum is σ = 14741200. Its totient is φ = 13267044.

The previous prime is 14004113. The next prime is 14004127. The reversal of 14004121 is 12140041.

14004121 = T3054 + T3055 + T3056.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12140041 = 34133557.

It is a cyclic number.

It is not a de Polignac number, because 14004121 - 23 = 14004113 is a prime.

It is a super-2 number, since 2×140041212 = 392230809965282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14004127) 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, 368511 + ... + 368548.

It is an arithmetic number, because the mean of its divisors is an integer number (3685300).

Almost surely, 214004121 is an apocalyptic number.

14004121 is the 3056-th centered triangular number.

It is an amenable number.

14004121 is a deficient number, since it is larger than the sum of its proper divisors (737079).

14004121 is an equidigital number, since it uses as much as digits as its factorization.

14004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737078.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 14004121 is about 3742.2080380438. The cubic root of 14004121 is about 241.0378721839.

Adding to 14004121 its reverse (12140041), we get a palindrome (26144162).

The spelling of 14004121 in words is "fourteen million, four thousand, one hundred twenty-one".

Divisors: 1 19 737059 14004121