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13357213 is a prime number
BaseRepresentation
bin110010111101…
…000010011101
3221010121122121
4302331002131
511404412323
61154142541
7221351212
oct62750235
927117577
1013357213
1175a3521
124581a51
1329c899c
141ab9b09
15128ca5d
hexcbd09d

13357213 has 2 divisors, whose sum is σ = 13357214. Its totient is φ = 13357212.

The previous prime is 13357207. The next prime is 13357229. The reversal of 13357213 is 31275331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13089924 + 267289 = 3618^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 13357213 - 29 = 13356701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13357243) 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 as a sum of consecutive naturals, namely, 6678606 + 6678607.

It is an arithmetic number, because the mean of its divisors is an integer number (6678607).

Almost surely, 213357213 is an apocalyptic number.

It is an amenable number.

13357213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13357213 is an equidigital number, since it uses as much as digits as its factorization.

13357213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 25.

The square root of 13357213 is about 3654.7521119770. The cubic root of 13357213 is about 237.2676982492.

The spelling of 13357213 in words is "thirteen million, three hundred fifty-seven thousand, two hundred thirteen".