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13552207 is a prime number
BaseRepresentation
bin110011101100…
…101001001111
3221111112010121
4303230221033
511432132312
61202245411
7223122544
oct63545117
927445117
1013552207
117716a79
124656867
132a66676
141b2abcb
1512ca707
hexceca4f

13552207 has 2 divisors, whose sum is σ = 13552208. Its totient is φ = 13552206.

The previous prime is 13552199. The next prime is 13552211. The reversal of 13552207 is 70225531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13552207 - 23 = 13552199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13552237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776103 + 6776104.

It is an arithmetic number, because the mean of its divisors is an integer number (6776104).

Almost surely, 213552207 is an apocalyptic number.

13552207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13552207 is an equidigital number, since it uses as much as digits as its factorization.

13552207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 13552207 is about 3681.3322316792. The cubic root of 13552207 is about 238.4167016717.

Adding to 13552207 its reverse (70225531), we get a palindrome (83777738).

The spelling of 13552207 in words is "thirteen million, five hundred fifty-two thousand, two hundred seven".