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13321401 = 37096263
BaseRepresentation
bin110010110100…
…010010111001
3221001210112020
4302310102321
511402241101
61153305053
7221141622
oct62642271
927053466
1013321401
117579625
124565189
1329b55b2
141aaaa49
151282136
hexcb44b9

13321401 has 8 divisors (see below), whose sum is σ = 17789760. Its totient is φ = 8866992.

The previous prime is 13321397. The next prime is 13321403. The reversal of 13321401 is 10412331.

13321401 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13321401 - 22 = 13321397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13321403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (2223720).

Almost surely, 213321401 is an apocalyptic number.

It is an amenable number.

13321401 is a deficient number, since it is larger than the sum of its proper divisors (4468359).

13321401 is an equidigital number, since it uses as much as digits as its factorization.

13321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13321401 is about 3649.8494489499. The cubic root of 13321401 is about 237.0554624599.

Adding to 13321401 its reverse (10412331), we get a palindrome (23733732).

The spelling of 13321401 in words is "thirteen million, three hundred twenty-one thousand, four hundred one".

Divisors: 1 3 709 2127 6263 18789 4440467 13321401