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13174121 = 71185551
BaseRepresentation
bin110010010000…
…010101101001
3220210022111102
4302100111221
511333032441
61150211145
7216656342
oct62202551
926708442
1013174121
117488a04
1244b3ab5
13296354c
141a6d0c9
15125369b
hexc90569

13174121 has 4 divisors (see below), whose sum is σ = 13359744. Its totient is φ = 12988500.

The previous prime is 13174111. The next prime is 13174151. The reversal of 13174121 is 12147131.

It is a happy number.

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 13174121 - 214 = 13157737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13174093 and 13174102.

It is not an unprimeable number, because it can be changed into a prime (13174111) 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, 92705 + ... + 92846.

It is an arithmetic number, because the mean of its divisors is an integer number (3339936).

Almost surely, 213174121 is an apocalyptic number.

It is an amenable number.

13174121 is a deficient number, since it is larger than the sum of its proper divisors (185623).

13174121 is an equidigital number, since it uses as much as digits as its factorization.

13174121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185622.

The product of its digits is 168, while the sum is 20.

The square root of 13174121 is about 3629.6171974466. The cubic root of 13174121 is about 236.1786029505.

The spelling of 13174121 in words is "thirteen million, one hundred seventy-four thousand, one hundred twenty-one".

Divisors: 1 71 185551 13174121