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13344401 = 71906343
BaseRepresentation
bin110010111001…
…111010010001
3221002222002002
4302321322101
511404010101
61154003345
7221265650
oct62717221
927088062
1013344401
117594934
124576555
1329c2bc5
141ab5197
151288d6b
hexcb9e91

13344401 has 4 divisors (see below), whose sum is σ = 15250752. Its totient is φ = 11438052.

The previous prime is 13344391. The next prime is 13344407. The reversal of 13344401 is 10444331.

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 a de Polignac number, because none of the positive numbers 2k-13344401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13344407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953165 + ... + 953178.

It is an arithmetic number, because the mean of its divisors is an integer number (3812688).

Almost surely, 213344401 is an apocalyptic number.

It is an amenable number.

13344401 is a deficient number, since it is larger than the sum of its proper divisors (1906351).

13344401 is an equidigital number, since it uses as much as digits as its factorization.

13344401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906350.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13344401 is about 3652.9989050094. The cubic root of 13344401 is about 237.1918130028.

Adding to 13344401 its reverse (10444331), we get a palindrome (23788732).

The spelling of 13344401 in words is "thirteen million, three hundred forty-four thousand, four hundred one".

Divisors: 1 7 1906343 13344401