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13379413 = 109312241
BaseRepresentation
bin110011000010…
…011101010101
3221011202002211
4303002131111
511411120123
61154433421
7221503015
oct63023525
927152084
1013379413
117609173
124592871
132a05b18
141ac3c45
15129440d
hexcc2755

13379413 has 4 divisors (see below), whose sum is σ = 13392748. Its totient is φ = 13366080.

The previous prime is 13379389. The next prime is 13379417. The reversal of 13379413 is 31497331.

13379413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31497331 = 245912809.

It can be written as a sum of positive squares in 2 ways, for example, as 9351364 + 4028049 = 3058^2 + 2007^2 .

It is a cyclic number.

It is not a de Polignac number, because 13379413 - 25 = 13379381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13379417) 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, 5028 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (3348187).

Almost surely, 213379413 is an apocalyptic number.

It is an amenable number.

13379413 is a deficient number, since it is larger than the sum of its proper divisors (13335).

13379413 is a wasteful number, since it uses less digits than its factorization.

13379413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334.

The product of its digits is 6804, while the sum is 31.

The square root of 13379413 is about 3657.7879927628. The cubic root of 13379413 is about 237.3990736453.

The spelling of 13379413 in words is "thirteen million, three hundred seventy-nine thousand, four hundred thirteen".

Divisors: 1 1093 12241 13379413