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13441001 = 71920143
BaseRepresentation
bin110011010001…
…011111101001
3221021212120212
4303101133221
511420103001
61200030505
7222150410
oct63213751
927255525
1013441001
117650472
124602435
132a27b72
141adc477
1512a77bb
hexcd17e9

13441001 has 4 divisors (see below), whose sum is σ = 15361152. Its totient is φ = 11520852.

The previous prime is 13440997. The next prime is 13441003. The reversal of 13441001 is 10014431.

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 not a de Polignac number, because 13441001 - 22 = 13440997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13441003) 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, 960065 + ... + 960078.

It is an arithmetic number, because the mean of its divisors is an integer number (3840288).

Almost surely, 213441001 is an apocalyptic number.

It is an amenable number.

13441001 is a deficient number, since it is larger than the sum of its proper divisors (1920151).

13441001 is an equidigital number, since it uses as much as digits as its factorization.

13441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920150.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 13441001 is about 3666.1970759903. The cubic root of 13441001 is about 237.7627806087.

Adding to 13441001 its reverse (10014431), we get a palindrome (23455432).

The spelling of 13441001 in words is "thirteen million, four hundred forty-one thousand, one".

Divisors: 1 7 1920143 13441001