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13371377 = 31742181
BaseRepresentation
bin110011000000…
…011111110001
3221011100002012
4303000133301
511410341002
61154332305
7221440415
oct63003761
927140065
1013371377
117603128
12458a095
132a02276
141ac0d45
151291d52
hexcc07f1

13371377 has 4 divisors (see below), whose sum is σ = 13413876. Its totient is φ = 13328880.

The previous prime is 13371373. The next prime is 13371389. The reversal of 13371377 is 77317331.

It is a happy number.

13371377 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.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 12737761 = 796^2 + 3569^2 .

It is a cyclic number.

It is not a de Polignac number, because 13371377 - 22 = 13371373 is a prime.

It is a super-2 number, since 2×133713772 = 357587445752258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13371373) 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, 20774 + ... + 21407.

It is an arithmetic number, because the mean of its divisors is an integer number (3353469).

Almost surely, 213371377 is an apocalyptic number.

It is an amenable number.

13371377 is a deficient number, since it is larger than the sum of its proper divisors (42499).

13371377 is an equidigital number, since it uses as much as digits as its factorization.

13371377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42498.

The product of its digits is 9261, while the sum is 32.

The square root of 13371377 is about 3656.6893496714. The cubic root of 13371377 is about 237.3515349122.

The spelling of 13371377 in words is "thirteen million, three hundred seventy-one thousand, three hundred seventy-seven".

Divisors: 1 317 42181 13371377