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13391374 = 26695687
BaseRepresentation
bin110011000101…
…011000001110
3221012100111211
4303011120032
511412010444
61155005034
7221552623
oct63053016
927170454
1013391374
117617157
12459977a
132a0b3b9
141ac834a
151297c34
hexcc560e

13391374 has 4 divisors (see below), whose sum is σ = 20087064. Its totient is φ = 6695686.

The previous prime is 13391353. The next prime is 13391387. The reversal of 13391374 is 47319331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347842 + ... + 3347845.

It is an arithmetic number, because the mean of its divisors is an integer number (5021766).

Almost surely, 213391374 is an apocalyptic number.

13391374 is a deficient number, since it is larger than the sum of its proper divisors (6695690).

13391374 is an equidigital number, since it uses as much as digits as its factorization.

13391374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695689.

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

The square root of 13391374 is about 3659.4226320555. The cubic root of 13391374 is about 237.4697963437.

The spelling of 13391374 in words is "thirteen million, three hundred ninety-one thousand, three hundred seventy-four".

Divisors: 1 2 6695687 13391374