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13023201 = 34341067
BaseRepresentation
bin110001101011…
…011111100001
3220111122110210
4301223133201
511313220301
61143044333
7215460342
oct61533741
926448423
1013023201
117395584
1244406a9
13290c949
141a300c9
151223ad6
hexc6b7e1

13023201 has 4 divisors (see below), whose sum is σ = 17364272. Its totient is φ = 8682132.

The previous prime is 13023191. The next prime is 13023203. The reversal of 13023201 is 10232031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10232031 = 33410677.

It is not a de Polignac number, because 13023201 - 25 = 13023169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13023203) 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, 2170531 + ... + 2170536.

It is an arithmetic number, because the mean of its divisors is an integer number (4341068).

Almost surely, 213023201 is an apocalyptic number.

It is an amenable number.

13023201 is a deficient number, since it is larger than the sum of its proper divisors (4341071).

13023201 is an equidigital number, since it uses as much as digits as its factorization.

13023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341070.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13023201 is about 3608.7672410395. The cubic root of 13023201 is about 235.2732659377.

Adding to 13023201 its reverse (10232031), we get a palindrome (23255232).

The spelling of 13023201 in words is "thirteen million, twenty-three thousand, two hundred one".

Divisors: 1 3 4341067 13023201