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13054697 = 52125057
BaseRepresentation
bin110001110011…
…001011101001
3220120020200022
4301303023221
511320222242
61143450225
7215651225
oct61631351
926506608
1013054697
117407207
124456975
132921096
141a3b785
15122d0d2
hexc732e9

13054697 has 4 divisors (see below), whose sum is σ = 13080276. Its totient is φ = 13029120.

The previous prime is 13054661. The next prime is 13054709. The reversal of 13054697 is 79645031.

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 3345241 + 9709456 = 1829^2 + 3116^2 .

It is a cyclic number.

It is not a de Polignac number, because 13054697 - 216 = 12989161 is a prime.

It is a super-2 number, since 2×130546972 = 340850227523618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13054607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12008 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (3270069).

Almost surely, 213054697 is an apocalyptic number.

It is an amenable number.

13054697 is a deficient number, since it is larger than the sum of its proper divisors (25579).

13054697 is an equidigital number, since it uses as much as digits as its factorization.

13054697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 13054697 is about 3613.1284228491. The cubic root of 13054697 is about 235.4627790250.

The spelling of 13054697 in words is "thirteen million, fifty-four thousand, six hundred ninety-seven".

Divisors: 1 521 25057 13054697