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13319401 = 60721943
BaseRepresentation
bin110010110011…
…110011101001
3221001200210011
4302303303221
511402210101
61153251521
7221133034
oct62636351
927050704
1013319401
117578077
124563ba1
1329b4704
141aaa01b
151281751
hexcb3ce9

13319401 has 4 divisors (see below), whose sum is σ = 13341952. Its totient is φ = 13296852.

The previous prime is 13319363. The next prime is 13319431. The reversal of 13319401 is 10491331.

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 13319401 - 29 = 13318889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13319431) 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, 10365 + ... + 11578.

It is an arithmetic number, because the mean of its divisors is an integer number (3335488).

Almost surely, 213319401 is an apocalyptic number.

It is an amenable number.

13319401 is a deficient number, since it is larger than the sum of its proper divisors (22551).

13319401 is an equidigital number, since it uses as much as digits as its factorization.

13319401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22550.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 13319401 is about 3649.5754547618. The cubic root of 13319401 is about 237.0435984762.

The spelling of 13319401 in words is "thirteen million, three hundred nineteen thousand, four hundred one".

Divisors: 1 607 21943 13319401