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13292207 = 25152957
BaseRepresentation
bin110010101101…
…001010101111
3221000022110222
4302231022233
511400322312
61152521555
7220660535
oct62551257
927008428
1013292207
1175596a5
1245502bb
1329a5216
141aa0155
151278672
hexcad2af

13292207 has 4 divisors (see below), whose sum is σ = 13345416. Its totient is φ = 13239000.

The previous prime is 13292189. The next prime is 13292219. The reversal of 13292207 is 70229231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70229231 = 131536101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13292207 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 (13292107) 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, 26228 + ... + 26729.

It is an arithmetic number, because the mean of its divisors is an integer number (3336354).

Almost surely, 213292207 is an apocalyptic number.

13292207 is a deficient number, since it is larger than the sum of its proper divisors (53209).

13292207 is an equidigital number, since it uses as much as digits as its factorization.

13292207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53208.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13292207 is about 3645.8479123518. The cubic root of 13292207 is about 236.8821659011.

The spelling of 13292207 in words is "thirteen million, two hundred ninety-two thousand, two hundred seven".

Divisors: 1 251 52957 13292207